题解 | #完全数计算#

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
       Scanner scanner= new Scanner(System.in);
        int count=0;
        while (scanner.hasNextInt()){
            int num=scanner.nextInt();
       
            for (int i = 1; i <= num; i++) {
               count+= cal(i);
            }
            System.out.println(count-1);
        }
    }
    public  static int cal(int numTar){
        int total=0;
        int count=0;
        for (int i = 1; i <=numTar; i++) {
            if(numTar%i==0){

                total+=i;
            }
        }
        if(numTar!=1) {
            total = total - numTar;
        }
        if( total==numTar){
            count++;
//            System.out.println(numTar);
        }

        return count;
        
        

    }
}