13078385

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{487}}^1$

素因数の和:664

約数の個数: 16

約数和(自身を含む): 16232832

約数和(自身を除く): 3154447

約数列:

[1, 5, 41, 131, 205, 487, 655, 2435, 5371, 19967, 26855, 63797, 99835, 318985, 2615677, 13078385]

約数ペア:

[(1, 13078385), (5, 2615677), (41, 318985), (131, 99835), (205, 63797), (487, 26855), (655, 19967), (2435, 5371)]