n = int(input()) 
assert 0 <= n <= 1000000000000, 'invalid input: N'

sn = int(n**0.5+0.00001)
ret = 0
s = set()
for i in range(1, sn+1):
    if n % i == 0:
        s.add(str(n // i) + str(i))
        s.add(str(i) + str(n // i))
print(len(s))