81258242

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{18493}}^1$

素因数の和:18534

約数の個数: 16

約数和(自身を含む): 132047160

約数和(自身を除く): 50788918

約数列:

[1, 2, 13, 26, 169, 338, 2197, 4394, 18493, 36986, 240409, 480818, 3125317, 6250634, 40629121, 81258242]

約数ペア:

[(1, 81258242), (2, 40629121), (13, 6250634), (26, 3125317), (169, 480818), (338, 240409), (2197, 36986), (4394, 18493)]