221457782

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{2131}}^1$

素因数の和:2724

約数の個数: 32

約数和(自身を含む): 409753344

約数和(自身を除く): 188295562

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 571, 1142, 2131, 3997, 4262, 7423, 7994, 14846, 14917, 27703, 29834, 51961, 55406, 103922, 193921, 387842, 1216801, 2433602, 8517607, 15818413, 17035214, 31636826, 110728891, 221457782]

約数ペア:

[(1, 221457782), (2, 110728891), (7, 31636826), (13, 17035214), (14, 15818413), (26, 8517607), (91, 2433602), (182, 1216801), (571, 387842), (1142, 193921), (2131, 103922), (3997, 55406), (4262, 51961), (7423, 29834), (7994, 27703), (14846, 14917)]