úÎAë"An infinite list of prime numbers %Checks whether a number is prime -Returns the prime factors for a given number 1Returns the number of divisors of a number. Uses  Mhttp://mathschallenge.net/index.php?section=faq&ref=number/number_of_divisors +Returns the sum of the factors of a number  Returns the factors of a number  Numbers-0.0 Data.NumbersprimesisPrime primeFactors numOfFactors factorSumfactors