2040-亲和数（java）

http://acm.hdu.edu.cn/showproblem.php?pid=2040

import java.util.Scanner;

public class Main{
    public static void main(String[] args) {
        int n;
        Scanner scanner=new Scanner(System.in);
        n=scanner.nextInt();
        while(n>0){
            int a,b;
            int sumA=1,sumB=1;
            a=scanner.nextInt();
            b=scanner.nextInt();
            for(int i=2;i<=a/2;i++){
                if(a%i==0)
                    sumA+=i;
            }
            if(sumA==b){
                for(int i=2;i<=b/2;i++)
                    if(b%i==0)
                        sumB+=i;
                if(sumB==a)
                    System.out.println("YES");
                else
                    System.out.println("NO");
            }else
                System.out.println("NO");
            n--;
        }
    }
}