66657409

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{23629}}^1$

素因数の和:23680

約数の個数: 16

約数和(自身を含む): 84689920

約数和(自身を除く): 18032511

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 23629, 165403, 307177, 732499, 2150239, 5127493, 9522487, 66657409]

約数ペア:

[(1, 66657409), (7, 9522487), (13, 5127493), (31, 2150239), (91, 732499), (217, 307177), (403, 165403), (2821, 23629)]