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Python Program for Find minimum sum of factors of number

Last Updated : 01 Aug, 2023
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Given a number, find minimum sum of its factors.
Examples: 
 

Input : 12
Output : 7
Explanation:
Following are different ways to factorize 12 and
sum of factors in different ways.
12 = 12 * 1 = 12 + 1 = 13
12 = 2 * 6 = 2 + 6 = 8
12 = 3 * 4 = 3 + 4 = 7
12 = 2 * 2 * 3 = 2 + 2 + 3 = 7
Therefore minimum sum is 7
Input : 105
Output : 15


 

Python3
# Python program to find minimum # sum of product of number # To find minimum sum of # product of number def find_min_sum(num): min_sum = num for i in range(2, int(num**0.5) + 1): if num % i == 0: factor = num // i min_sum = min(min_sum, i + factor) return min_sum # driver code number = 16 # Call the function and print the result result = find_min_sum(number) print("The minimum sum of factors for", number, "is", result) # This code is contributed by AYUSH MILAN 

Output: 
 

8

Time Complexity: O(n1/2 * log n)

Auxiliary Space: O(1)
Please refer complete article on Find minimum sum of factors of number for more details!
 


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