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LeetCode@Math_507_Perfect_Number

作者：代码架构师 | 2024-02-06 13:25:32

Problem:

JAVA


public class Solution {
    public Boolean checkPerfectNumber(int num)
	{
		if (num < 2)
			return false;
		int sum = 1;
		for (int x = 2; x * x <= num; x++)
		{
			if (num % x == 0)
			{
				sum += x;
				sum += num / x;
			}
		}
 
		return sum == num;
	}
}

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