861093070

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2100227}}^1$

素因数の和:2100275

約数の個数: 16

約数和(自身を含む): 1587772368

約数和(自身を除く): 726679298

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 2100227, 4200454, 10501135, 21002270, 86109307, 172218614, 430546535, 861093070]

約数ペア:

[(1, 861093070), (2, 430546535), (5, 172218614), (10, 86109307), (41, 21002270), (82, 10501135), (205, 4200454), (410, 2100227)]