Write a function that computes the sum of the proper divisors of a number.
HardProblem Statement
Write a function that computes the sum of the proper divisors of a number.
Sample Input
28
Sample Output
28
Limits
Time: 2s · Memory: 256 MB
Write a function that computes the sum of the proper divisors of a number.
28
28
Time: 2s · Memory: 256 MB