126221263

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1\times {\mathrm{1373}}^1$

素因数の和:1974

約数の個数: 16

約数和(自身を含む): 150898176

約数和(自身を除く): 24676913

約数列:

[1, 7, 23, 161, 571, 1373, 3997, 9611, 13133, 31579, 91931, 221053, 783983, 5487881, 18031609, 126221263]

約数ペア:

[(1, 126221263), (7, 18031609), (23, 5487881), (161, 783983), (571, 221053), (1373, 91931), (3997, 31579), (9611, 13133)]