389633363

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{2447}}^1$

素因数の和:2543

約数の個数: 24

約数和(自身を含む): 476517888

約数和(自身を除く): 86884525

約数列:

[1, 7, 23, 43, 161, 301, 529, 989, 2447, 3703, 6923, 17129, 22747, 56281, 105221, 159229, 393967, 736547, 1294463, 2420083, 9061241, 16940581, 55661909, 389633363]

約数ペア:

[(1, 389633363), (7, 55661909), (23, 16940581), (43, 9061241), (161, 2420083), (301, 1294463), (529, 736547), (989, 393967), (2447, 159229), (3703, 105221), (6923, 56281), (17129, 22747)]