what do you mean by "all the possible factors"?
For Example for Puzzle 65
30568377312064202855 : {5, 67, 335, 5639, 28195, 377813, 1889065, 16181749866767, 80908749333835, 1084177241073389, 5420886205366945, 91248887498699113, 456244437493495565, 6113675462412840571, 30568377312064202855}