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Problem2161--约数之和1
2161: 约数之和1
[Creator :
]
Time Limit :
1.000
sec
Memory Limit :
128 MB
Solved: 83
Submit: 288
Statistics
Description
给你一个整数n(1<=n<=10^14),请你求出它所有不同的约数的和。
Input
6
Output
12 解释:1+2+3+6
Sample Input
Copy
9
Sample Output
Copy
13
Source/Category
质数