28647866

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{647}}^1$

素因数の和:806

約数の個数: 24

約数和(自身を含む): 46959264

約数和(自身を除く): 18311398

約数列:

[1, 2, 13, 26, 131, 169, 262, 338, 647, 1294, 1703, 3406, 8411, 16822, 22139, 44278, 84757, 109343, 169514, 218686, 1101841, 2203682, 14323933, 28647866]

約数ペア:

[(1, 28647866), (2, 14323933), (13, 2203682), (26, 1101841), (131, 218686), (169, 169514), (262, 109343), (338, 84757), (647, 44278), (1294, 22139), (1703, 16822), (3406, 8411)]