31688904

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2161}}^1$

素因数の和:2230

約数の個数: 64

約数和(自身を含む): 87171840

約数和(自身を除く): 55482936

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 47, 52, 78, 94, 104, 141, 156, 188, 282, 312, 376, 564, 611, 1128, 1222, 1833, 2161, 2444, 3666, 4322, 4888, 6483, 7332, 8644, 12966, 14664, 17288, 25932, 28093, 51864, 56186, 84279, 101567, 112372, 168558, 203134, 224744, 304701, 337116, 406268, 609402, 674232, 812536, 1218804, 1320371, 2437608, 2640742, 3961113, 5281484, 7922226, 10562968, 15844452, 31688904]

約数ペア:

[(1, 31688904), (2, 15844452), (3, 10562968), (4, 7922226), (6, 5281484), (8, 3961113), (12, 2640742), (13, 2437608), (24, 1320371), (26, 1218804), (39, 812536), (47, 674232), (52, 609402), (78, 406268), (94, 337116), (104, 304701), (141, 224744), (156, 203134), (188, 168558), (282, 112372), (312, 101567), (376, 84279), (564, 56186), (611, 51864), (1128, 28093), (1222, 25932), (1833, 17288), (2161, 14664), (2444, 12966), (3666, 8644), (4322, 7332), (4888, 6483)]