81098576

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{389897}}^1$

素因数の和:389918

約数の個数: 20

約数和(自身を含む): 169215732

約数和(自身を除く): 88117156

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 389897, 779794, 1559588, 3119176, 5068661, 6238352, 10137322, 20274644, 40549288, 81098576]

約数ペア:

[(1, 81098576), (2, 40549288), (4, 20274644), (8, 10137322), (13, 6238352), (16, 5068661), (26, 3119176), (52, 1559588), (104, 779794), (208, 389897)]