12664421

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{7151}}^1$

素因数の和:7192

約数の個数: 16

約数和(自身を含む): 16478208

約数和(自身を除く): 3813787

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 7151, 50057, 78661, 164473, 550627, 1151311, 1809203, 12664421]

約数ペア:

[(1, 12664421), (7, 1809203), (11, 1151311), (23, 550627), (77, 164473), (161, 78661), (253, 50057), (1771, 7151)]