257112889

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{13441}}^1$

素因数の和:13536

約数の個数: 16

約数和(自身を含む): 294218496

約数和(自身を除く): 37105607

約数列:

[1, 11, 37, 47, 407, 517, 1739, 13441, 19129, 147851, 497317, 631727, 5470487, 6948997, 23373899, 257112889]

約数ペア:

[(1, 257112889), (11, 23373899), (37, 6948997), (47, 5470487), (407, 631727), (517, 497317), (1739, 147851), (13441, 19129)]