def make_divisors(n):
    lower_divisors , upper_divisors = [], []
    i = 1
    while i*i <= n:
        if n % i == 0:
            lower_divisors.append(i)
            if i != n // i:
                upper_divisors.append(n//i)
        i += 1
    return lower_divisors + upper_divisors[::-1]

n=int(input())
l=make_divisors(n)
ans=0
l2,l3=[],[]
for x in l:
    if str(x)!=str(n//x):
        l2.append(str(x)+str(n//x))
    else:
        l2.append(str(x))

l2=list(set(l2))
print(len(l2))