87651388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 182269584

約数和(自身を除く): 94618196

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 61, 68, 113, 122, 187, 226, 244, 289, 374, 452, 578, 671, 748, 1037, 1156, 1243, 1342, 1921, 2074, 2486, 2684, 3179, 3842, 4148, 4972, 6358, 6893, 7684, 11407, 12716, 13786, 17629, 21131, 22814, 27572, 32657, 35258, 42262, 45628, 65314, 70516, 75823, 84524, 117181, 130628, 151646, 193919, 234362, 303292, 359227, 387838, 468724, 718454, 775676, 1288991, 1436908, 1992077, 2577982, 3984154, 5155964, 7968308, 21912847, 43825694, 87651388]

約数ペア:

[(1, 87651388), (2, 43825694), (4, 21912847), (11, 7968308), (17, 5155964), (22, 3984154), (34, 2577982), (44, 1992077), (61, 1436908), (68, 1288991), (113, 775676), (122, 718454), (187, 468724), (226, 387838), (244, 359227), (289, 303292), (374, 234362), (452, 193919), (578, 151646), (671, 130628), (748, 117181), (1037, 84524), (1156, 75823), (1243, 70516), (1342, 65314), (1921, 45628), (2074, 42262), (2486, 35258), (2684, 32657), (3179, 27572), (3842, 22814), (4148, 21131), (4972, 17629), (6358, 13786), (6893, 12716), (7684, 11407)]