13221812

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{76871}}^1$

素因数の和:76918

約数の個数: 12

約数和(自身を含む): 23676576

約数和(自身を除く): 10454764

約数列:

[1, 2, 4, 43, 86, 172, 76871, 153742, 307484, 3305453, 6610906, 13221812]

約数ペア:

[(1, 13221812), (2, 6610906), (4, 3305453), (43, 307484), (86, 153742), (172, 76871)]