完数(0044)
Time limit(ms): 5000
Memory limit(kb): 65535
Submission: 4642
Accepted: 1465
Accepted
14级卓越班选拔A
15级卓越班选拔A
16级卓越班选拔A
一个数如果恰好等于它的因子之和,这个数就称为"完数"。 例如,6的因子为1、2、3,而6=1+2+3,因此6是"完数"。 编程序找出N之内的所有完数,并按下面格式输出其因子:
Description
N
Input
? its fastors are ? ? ?
Output
1
|
1000
|
Sample Input
1
2
3
|
6 its fastors are 1 2 3
28 its fastors are 1 2 4 7 14
496 its fastors are 1 2 4 8 16 31 62 124 248
|