1620866

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2011}}^1$

素因数の和:2057

約数の個数: 16

約数和(自身を含む): 2704128

約数和(自身を除く): 1083262

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 2011, 4022, 26143, 52286, 62341, 124682, 810433, 1620866]

約数ペア:

[(1, 1620866), (2, 810433), (13, 124682), (26, 62341), (31, 52286), (62, 26143), (403, 4022), (806, 2011)]