81280562

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{127399}}^1$

素因数の和:127441

約数の個数: 16

約数和(自身を含む): 137592000

約数和(自身を除く): 56311438

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 127399, 254798, 1401389, 2802778, 3694571, 7389142, 40640281, 81280562]

約数ペア:

[(1, 81280562), (2, 40640281), (11, 7389142), (22, 3694571), (29, 2802778), (58, 1401389), (319, 254798), (638, 127399)]