257304265

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{607}}^1\times {\mathrm{4987}}^1$

素因数の和:5616

約数の個数: 16

約数和(自身を含む): 327532032

約数和(自身を除く): 70227767

約数列:

[1, 5, 17, 85, 607, 3035, 4987, 10319, 24935, 51595, 84779, 423895, 3027109, 15135545, 51460853, 257304265]

約数ペア:

[(1, 257304265), (5, 51460853), (17, 15135545), (85, 3027109), (607, 423895), (3035, 84779), (4987, 51595), (10319, 24935)]