261204385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{56599}}^1$

素因数の和:56688

約数の個数: 16

約数和(自身を含む): 342316800

約数和(自身を除く): 81112415

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 56599, 282995, 735787, 3678935, 4018529, 20092645, 52240877, 261204385]

約数ペア:

[(1, 261204385), (5, 52240877), (13, 20092645), (65, 4018529), (71, 3678935), (355, 735787), (923, 282995), (4615, 56599)]