86820004

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{311}}^1\times {\mathrm{691}}^1$

素因数の和:1107

約数の個数: 24

約数和(自身を含む): 154155456

約数和(自身を除く): 67335452

約数列:

[1, 2, 4, 101, 202, 311, 404, 622, 691, 1244, 1382, 2764, 31411, 62822, 69791, 125644, 139582, 214901, 279164, 429802, 859604, 21705001, 43410002, 86820004]

約数ペア:

[(1, 86820004), (2, 43410002), (4, 21705001), (101, 859604), (202, 429802), (311, 279164), (404, 214901), (622, 139582), (691, 125644), (1244, 69791), (1382, 62822), (2764, 31411)]