31311358

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 52889760

約数和(自身を除く): 21578402

約数列:

[1, 2, 13, 26, 29, 58, 131, 262, 317, 377, 634, 754, 1703, 3406, 3799, 4121, 7598, 8242, 9193, 18386, 41527, 49387, 83054, 98774, 119509, 239018, 539851, 1079702, 1204283, 2408566, 15655679, 31311358]

約数ペア:

[(1, 31311358), (2, 15655679), (13, 2408566), (26, 1204283), (29, 1079702), (58, 539851), (131, 239018), (262, 119509), (317, 98774), (377, 83054), (634, 49387), (754, 41527), (1703, 18386), (3406, 9193), (3799, 8242), (4121, 7598)]