81424996

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{307}}^1\times {\mathrm{1087}}^1$

素因数の和:1459

約数の個数: 24

約数和(自身を含む): 145435136

約数和(自身を除く): 64010140

約数列:

[1, 2, 4, 61, 122, 244, 307, 614, 1087, 1228, 2174, 4348, 18727, 37454, 66307, 74908, 132614, 265228, 333709, 667418, 1334836, 20356249, 40712498, 81424996]

約数ペア:

[(1, 81424996), (2, 40712498), (4, 20356249), (61, 1334836), (122, 667418), (244, 333709), (307, 265228), (614, 132614), (1087, 74908), (1228, 66307), (2174, 37454), (4348, 18727)]