Sum of Prime Factors

1# Helper function
2def is_prime(n):
3    if n < 2:
4        return False
5    for i in range(2, int(n ** 0.5) + 1):
6        if n % i == 0:
7            return False
8    return True
9
10# Take number
11num = int(input("Enter a number: "))
12
13# Find and sum prime factors
14total = 0
15for i in range(2, num + 1):
16    if num % i == 0 and is_prime(i):
17        total += i
18
19print(f"Sum of prime factors: {total}")