Driver Code
$ n = 16 ; echo " Total ▁ perfect ▁ divisors ▁ of ▁ " , $ n , " ▁ = ▁ " , countPerfectDivisors ( $ n ) , " STRNEWLINE " ; $ n = 12 ; echo " Total ▁ perfect ▁ divisors ▁ of ▁ " , $ n , " ▁ = ▁ " , countPerfectDivisors ( $ n ) ; ? >