389626783

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{2671}}^1$

素因数の和:2927

約数の個数: 24

約数和(自身を含む): 490418880

約数和(自身を除く): 100792097

約数列:

[1, 7, 13, 49, 91, 229, 637, 1603, 2671, 2977, 11221, 18697, 20839, 34723, 130879, 145873, 243061, 611659, 1701427, 4281613, 7951567, 29971291, 55660969, 389626783]

約数ペア:

[(1, 389626783), (7, 55660969), (13, 29971291), (49, 7951567), (91, 4281613), (229, 1701427), (637, 611659), (1603, 243061), (2671, 145873), (2977, 130879), (11221, 34723), (18697, 20839)]