Revision #3128 → #3635 · back to history
addedSum-of-divisors function σ58a8d3ce196c
addedBijection between Mersenne primes and even perfect numbersf50de90d284e
addedInfinitude of perfect numbers / Mersenne primes3bfe7134bb3b
addedExistence of odd perfect numbers (open)5564d5db3d63