81140398

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1\times {\mathrm{2719}}^1$

素因数の和:3111

約数の個数: 16

約数和(自身を含む): 124945920

約数和(自身を除く): 43805522

約数列:

[1, 2, 43, 86, 347, 694, 2719, 5438, 14921, 29842, 116917, 233834, 943493, 1886986, 40570199, 81140398]

約数ペア:

[(1, 81140398), (2, 40570199), (43, 1886986), (86, 943493), (347, 233834), (694, 116917), (2719, 29842), (5438, 14921)]