def main():
    N = int(input())

    if N == 1:
        print(1)
        return

    n = set(primefactor(N))
    x = set()
    for i in n:
        j = N // i
        x.add((min(i, j), max(i, j)))

    ans = 0
    for i in x:
        if i[0] != 1:
            if i[0] == i[1]:
                ans += 1
            else:
                ans += 2

    print(ans + 2)

def primefactor(n):
    i = 2
    ret = []
    while i ** 2 <= n:
        if n % i:
            i += 1
        else:
            n //= i
            ret.append(i)
    if n > 1:
        ret.append(n)
    return ret

main()