20161547

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1291}}^1$

素因数の和:1418

約数の個数: 16

約数和(自身を含む): 24310272

約数和(自身を除く): 4148725

約数列:

[1, 7, 23, 97, 161, 679, 1291, 2231, 9037, 15617, 29693, 125227, 207851, 876589, 2880221, 20161547]

約数ペア:

[(1, 20161547), (7, 2880221), (23, 876589), (97, 207851), (161, 125227), (679, 29693), (1291, 15617), (2231, 9037)]