81476978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{10259}}^1$

素因数の和:10310

約数の個数: 24

約数和(自身を含む): 140726160

約数和(自身を除く): 59249182

約数列:

[1, 2, 11, 19, 22, 38, 209, 361, 418, 722, 3971, 7942, 10259, 20518, 112849, 194921, 225698, 389842, 2144131, 3703499, 4288262, 7406998, 40738489, 81476978]

約数ペア:

[(1, 81476978), (2, 40738489), (11, 7406998), (19, 4288262), (22, 3703499), (38, 2144131), (209, 389842), (361, 225698), (418, 194921), (722, 112849), (3971, 20518), (7942, 10259)]