N=int(raw_input())
num1=1
L=[]
M=[]
while num1*num1<=N:
    if N%num1==0:
        num2=N/num1
        L.append(str(num1)+str(num2))
        L.append(str(num2)+str(num1))
    num1+=1

for a in L:
    if a not in M:
        M.append(a)

print len(M)