31247384

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 70502400

約数和(自身を除く): 39255016

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 71, 116, 142, 203, 232, 271, 284, 406, 497, 542, 568, 812, 994, 1084, 1624, 1897, 1988, 2059, 2168, 3794, 3976, 4118, 7588, 7859, 8236, 14413, 15176, 15718, 16472, 19241, 28826, 31436, 38482, 55013, 57652, 62872, 76964, 110026, 115304, 134687, 153928, 220052, 269374, 440104, 538748, 557989, 1077496, 1115978, 2231956, 3905923, 4463912, 7811846, 15623692, 31247384]

約数ペア:

[(1, 31247384), (2, 15623692), (4, 7811846), (7, 4463912), (8, 3905923), (14, 2231956), (28, 1115978), (29, 1077496), (56, 557989), (58, 538748), (71, 440104), (116, 269374), (142, 220052), (203, 153928), (232, 134687), (271, 115304), (284, 110026), (406, 76964), (497, 62872), (542, 57652), (568, 55013), (812, 38482), (994, 31436), (1084, 28826), (1624, 19241), (1897, 16472), (1988, 15718), (2059, 15176), (2168, 14413), (3794, 8236), (3976, 7859), (4118, 7588)]