81615644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 160272000

約数和(自身を除く): 78656356

約数列:

[1, 2, 4, 11, 22, 44, 59, 118, 149, 211, 236, 298, 422, 596, 649, 844, 1298, 1639, 2321, 2596, 3278, 4642, 6556, 8791, 9284, 12449, 17582, 24898, 31439, 35164, 49796, 62878, 96701, 125756, 136939, 193402, 273878, 345829, 386804, 547756, 691658, 1383316, 1854901, 3709802, 7419604, 20403911, 40807822, 81615644]

約数ペア:

[(1, 81615644), (2, 40807822), (4, 20403911), (11, 7419604), (22, 3709802), (44, 1854901), (59, 1383316), (118, 691658), (149, 547756), (211, 386804), (236, 345829), (298, 273878), (422, 193402), (596, 136939), (649, 125756), (844, 96701), (1298, 62878), (1639, 49796), (2321, 35164), (2596, 31439), (3278, 24898), (4642, 17582), (6556, 12449), (8791, 9284)]