81315922

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1\times {\mathrm{2179}}^1$

素因数の和:2625

約数の個数: 16

約数和(自身を含む): 124940160

約数和(自身を除く): 43624238

約数列:

[1, 2, 47, 94, 397, 794, 2179, 4358, 18659, 37318, 102413, 204826, 865063, 1730126, 40657961, 81315922]

約数ペア:

[(1, 81315922), (2, 40657961), (47, 1730126), (94, 865063), (397, 204826), (794, 102413), (2179, 37318), (4358, 18659)]