86915212

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{505321}}^1$

素因数の和:505368

約数の個数: 12

約数和(自身を含む): 155639176

約数和(自身を除く): 68723964

約数列:

[1, 2, 4, 43, 86, 172, 505321, 1010642, 2021284, 21728803, 43457606, 86915212]

約数ペア:

[(1, 86915212), (2, 43457606), (4, 21728803), (43, 2021284), (86, 1010642), (172, 505321)]