perfect number

基本解释

Whenever it identifies a perfect number, your program should display that number on the screen.
一旦发现一个完美数字，你的程序需要将该数字显示到屏幕上。
For example, 6 is a perfect number because the factors of 6 (excluding 6 itself) are 1, 2, and 3, and 1 + 2 + 3 = 6.
例如，6 是一个完全数，因为 6 的因子（不包括 6 本身）是 1、2 和 3，而 1 + 2 + 3 = 6。
I must decompose the problem and think about what "perfect number" means. I can easily come up with several steps required to discover a perfect number
我必须分解问题并回想 “完全数” 的含义。

R.J.Bell of Pregame.com says the number of possibilities to guarantee a perfect bracket are an astronomical 9.2 quintillion.
You have to make every single detail perfect and you have to limit the number of details.
就是让每个细节都很完美,你必须要限制细节的数量。
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The number three is not a physical object, perfect roundness is not a physical object, perfect goodness is not a physical object.
数字三不是一个物理实体,正圆不是一个物理实体,真正的善良不是一个物理实体
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Yet, 2010 was a big disappointment for Perfect World and a number of other online gaming companies.
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an integer, such as 28, that is equal to the sum of all its possible factors, excluding itself