248857217

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1\times {\mathrm{2707}}^1$

素因数の和:3308

約数の個数: 16

約数和(自身を含む): 297403392

約数和(自身を除く): 48546175

約数列:

[1, 7, 23, 161, 571, 2707, 3997, 13133, 18949, 62261, 91931, 435827, 1545697, 10819879, 35551031, 248857217]

約数ペア:

[(1, 248857217), (7, 35551031), (23, 10819879), (161, 1545697), (571, 435827), (2707, 91931), (3997, 62261), (13133, 18949)]