Maximum sum of divisors
Problem
The number n is given. Find a number between 1 and n that has the maximum sum of its divisors (including non-prime divisors, 1, and the number itself). If there are several such numbers, print the minimum of them.
Input: The input to the program is natural n<=2500.
Output: Print the desired number.
Examples
# |
Input |
Output |
1 |
5 |
4 |
2 |
12 |
12 |