31871872

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 68372640

約数和(自身を除く): 36500768

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 97, 128, 136, 151, 194, 272, 302, 388, 544, 604, 776, 1088, 1208, 1552, 1649, 2176, 2416, 2567, 3104, 3298, 4832, 5134, 6208, 6596, 9664, 10268, 12416, 13192, 14647, 19328, 20536, 26384, 29294, 41072, 52768, 58588, 82144, 105536, 117176, 164288, 211072, 234352, 248999, 328576, 468704, 497998, 937408, 995996, 1874816, 1991992, 3983984, 7967968, 15935936, 31871872]

約数ペア:

[(1, 31871872), (2, 15935936), (4, 7967968), (8, 3983984), (16, 1991992), (17, 1874816), (32, 995996), (34, 937408), (64, 497998), (68, 468704), (97, 328576), (128, 248999), (136, 234352), (151, 211072), (194, 164288), (272, 117176), (302, 105536), (388, 82144), (544, 58588), (604, 52768), (776, 41072), (1088, 29294), (1208, 26384), (1552, 20536), (1649, 19328), (2176, 14647), (2416, 13192), (2567, 12416), (3104, 10268), (3298, 9664), (4832, 6596), (5134, 6208)]