86638556

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{59999}}^1$

素因数の和:60041

約数の個数: 18

約数和(自身を含む): 160020000

約数和(自身を除く): 73381444

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 59999, 119998, 239996, 1139981, 2279962, 4559924, 21659639, 43319278, 86638556]

約数ペア:

[(1, 86638556), (2, 43319278), (4, 21659639), (19, 4559924), (38, 2279962), (76, 1139981), (361, 239996), (722, 119998), (1444, 59999)]