128315999

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{3911}}^1$

素因数の和:4070

約数の個数: 16

約数和(自身を含む): 151472640

約数和(自身を除く): 23156641

約数列:

[1, 7, 43, 109, 301, 763, 3911, 4687, 27377, 32809, 168173, 426299, 1177211, 2984093, 18330857, 128315999]

約数ペア:

[(1, 128315999), (7, 18330857), (43, 2984093), (109, 1177211), (301, 426299), (763, 168173), (3911, 32809), (4687, 27377)]