31382678

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{1987}}^1$

素因数の和:2191

約数の個数: 16

約数和(自身を含む): 48308400

約数和(自身を除く): 16925722

約数列:

[1, 2, 53, 106, 149, 298, 1987, 3974, 7897, 15794, 105311, 210622, 296063, 592126, 15691339, 31382678]

約数ペア:

[(1, 31382678), (2, 15691339), (53, 592126), (106, 296063), (149, 210622), (298, 105311), (1987, 15794), (3974, 7897)]