289913936

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1393817}}^1$

素因数の和:1393838

約数の個数: 20

約数和(自身を含む): 604917012

約数和(自身を除く): 315003076

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1393817, 2787634, 5575268, 11150536, 18119621, 22301072, 36239242, 72478484, 144956968, 289913936]

約数ペア:

[(1, 289913936), (2, 144956968), (4, 72478484), (8, 36239242), (13, 22301072), (16, 18119621), (26, 11150536), (52, 5575268), (104, 2787634), (208, 1393817)]