86871716

素因数分解:

$2^2\times {\mathrm{101}}^2\times {\mathrm{2129}}^1$

素因数の和:2335

約数の個数: 18

約数和(自身を含む): 153617730

約数和(自身を除く): 66746014

約数列:

[1, 2, 4, 101, 202, 404, 2129, 4258, 8516, 10201, 20402, 40804, 215029, 430058, 860116, 21717929, 43435858, 86871716]

約数ペア:

[(1, 86871716), (2, 43435858), (4, 21717929), (101, 860116), (202, 430058), (404, 215029), (2129, 40804), (4258, 20402), (8516, 10201)]