n = int(input())
ans = 0
set_of_candi = set()

for i in range(1, int(n**0.5) + 1):
    print(i)
    if i * i > n:
        break
    if n % i == 0:
        set_of_candi.add(str(i) + str(n//i))
        set_of_candi.add(str(n//i) + str(i))

print(len(set_of_candi))