2643557

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:260

約数の個数: 16

約数和(自身を含む): 3166464

約数和(自身を除く): 522907

約数列:

[1, 7, 41, 61, 151, 287, 427, 1057, 2501, 6191, 9211, 17507, 43337, 64477, 377651, 2643557]

約数ペア:

[(1, 2643557), (7, 377651), (41, 64477), (61, 43337), (151, 17507), (287, 9211), (427, 6191), (1057, 2501)]