program main
  implicit none
  integer*8::i,j
  integer*8::N
  integer*8::a,b,aa,bb
  integer*8::aaa,bbb
  integer*8::total=0
  integer*1::hist(1000000)
  data hist/1000000*0/

  read *,N
  do i=1,INT(sqrt(real(N)))
     if(MOD(N,i).ne.0) cycle

     a = i
     b = N/i
     aa = a+roundup(a)*b
     bb = a*roundup(b)+b
     hist(aa)=1
     hist(bb)=1
!     print *,aa,bb
  end do
  print '(i0)', SUM(hist)
contains
  function roundup(a) result(aa)
    integer*8::a,aa,tmp
    aa = 1
    tmp = a
    do
       aa = aa*10
       tmp = tmp/10
       if(tmp.eq.0) exit
    end do
  end function roundup
end program main