81731912

素因数分解:

$2^3\times {\mathrm{977}}^1\times {\mathrm{10457}}^1$

素因数の和:11440

約数の個数: 16

約数和(自身を含む): 153418860

約数和(自身を除く): 71686948

約数列:

[1, 2, 4, 8, 977, 1954, 3908, 7816, 10457, 20914, 41828, 83656, 10216489, 20432978, 40865956, 81731912]

約数ペア:

[(1, 81731912), (2, 40865956), (4, 20432978), (8, 10216489), (977, 83656), (1954, 41828), (3908, 20914), (7816, 10457)]