31485376

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:150

約数の個数: 84

約数和(自身を含む): 70280784

約数和(自身を除く): 38795408

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 64, 71, 82, 104, 142, 164, 169, 208, 284, 328, 338, 416, 533, 568, 656, 676, 832, 923, 1066, 1136, 1312, 1352, 1846, 2132, 2272, 2624, 2704, 2911, 3692, 4264, 4544, 5408, 5822, 6929, 7384, 8528, 10816, 11644, 11999, 13858, 14768, 17056, 23288, 23998, 27716, 29536, 34112, 37843, 46576, 47996, 55432, 59072, 75686, 93152, 95992, 110864, 151372, 186304, 191984, 221728, 302744, 383968, 443456, 491959, 605488, 767936, 983918, 1210976, 1967836, 2421952, 3935672, 7871344, 15742688, 31485376]

約数ペア:

[(1, 31485376), (2, 15742688), (4, 7871344), (8, 3935672), (13, 2421952), (16, 1967836), (26, 1210976), (32, 983918), (41, 767936), (52, 605488), (64, 491959), (71, 443456), (82, 383968), (104, 302744), (142, 221728), (164, 191984), (169, 186304), (208, 151372), (284, 110864), (328, 95992), (338, 93152), (416, 75686), (533, 59072), (568, 55432), (656, 47996), (676, 46576), (832, 37843), (923, 34112), (1066, 29536), (1136, 27716), (1312, 23998), (1352, 23288), (1846, 17056), (2132, 14768), (2272, 13858), (2624, 11999), (2704, 11644), (2911, 10816), (3692, 8528), (4264, 7384), (4544, 6929), (5408, 5822)]