n = int(input())

ans = 0

appear_list = list()

for i in range(1, int(n ** 0.5) + 1):
    if n % i == 0:
        if i * i == n:
            if str(i) + str(i) in appear_list:
                continue
            ans += 1
            appear_list.append(str(i) + str(i))
        else:
            str1 = str(i) + str(n // i)
            str2 = str(n // i) + str(i)
            if str1 not in appear_list:
                ans += 1
                appear_list.append(str1)
            if str2 not in appear_list:
                ans += 1
                appear_list.append(str2)

print(ans)