81218248

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{35129}}^1$

素因数の和:35169

約数の個数: 24

約数和(自身を含む): 161773650

約数和(自身を除く): 80555402

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 35129, 70258, 140516, 281032, 597193, 1194386, 2388772, 4777544, 10152281, 20304562, 40609124, 81218248]

約数ペア:

[(1, 81218248), (2, 40609124), (4, 20304562), (8, 10152281), (17, 4777544), (34, 2388772), (68, 1194386), (136, 597193), (289, 281032), (578, 140516), (1156, 70258), (2312, 35129)]