81282728

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{236287}}^1$

素因数の和:236336

約数の個数: 16

約数和(自身を含む): 155950080

約数和(自身を除く): 74667352

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 236287, 472574, 945148, 1890296, 10160341, 20320682, 40641364, 81282728]

約数ペア:

[(1, 81282728), (2, 40641364), (4, 20320682), (8, 10160341), (43, 1890296), (86, 945148), (172, 472574), (344, 236287)]