81419806

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{1733}}^1$

素因数の和:1900

約数の個数: 24

約数和(自身を含む): 133275240

約数和(自身を除く): 51855434

約数列:

[1, 2, 13, 26, 139, 169, 278, 338, 1733, 1807, 3466, 3614, 22529, 23491, 45058, 46982, 240887, 292877, 481774, 585754, 3131531, 6263062, 40709903, 81419806]

約数ペア:

[(1, 81419806), (2, 40709903), (13, 6263062), (26, 3131531), (139, 585754), (169, 481774), (278, 292877), (338, 240887), (1733, 46982), (1807, 45058), (3466, 23491), (3614, 22529)]