81639658

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1\times {\mathrm{1667}}^1$

素因数の和:2237

約数の個数: 16

約数和(自身を含む): 125380224

約数和(自身を除く): 43740566

約数列:

[1, 2, 47, 94, 521, 1042, 1667, 3334, 24487, 48974, 78349, 156698, 868507, 1737014, 40819829, 81639658]

約数ペア:

[(1, 81639658), (2, 40819829), (47, 1737014), (94, 868507), (521, 156698), (1042, 78349), (1667, 48974), (3334, 24487)]