12858305

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:496

約数の個数: 16

約数和(自身を含む): 15833664

約数和(自身を除く): 2975359

約数列:

[1, 5, 67, 131, 293, 335, 655, 1465, 8777, 19631, 38383, 43885, 98155, 191915, 2571661, 12858305]

約数ペア:

[(1, 12858305), (5, 2571661), (67, 191915), (131, 98155), (293, 43885), (335, 38383), (655, 19631), (1465, 8777)]