m = int(input()) for i in range(m): a, b = map(int, input().split()) a_list = [i for i in range(1, a) if a % i == 0] b_list = [i for i in range(1, b) if b % i == 0] if sum(a_list) == b and sum(b_list) == a: print("YES") else: print("NO")
先求出a和b的真约数
将两数约数的和与对方本身作比较
如果都相等,那么输出YES,否则输出NO
0.0分
6 人评分