import math

def f(num):
   i = 2
   d = dict()
   while i * i <= num:
       if num % i == 0:
           num //= i
           d[i] = d.get(i, 0) + 1
       else:
           i += 1
   
   d[num] = d.get(num, 0) + 1
   return d

n = int(input())
if n == 1:
    print(1)
    exit()
d = f(n)
ans = 1
for k, v in d.items():
    ans *= (sum([k**i for i in range(v+1)]))
print(ans)