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--;
         }
     }
 }