864644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 1692768

約数和(自身を除く): 828124

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 457, 473, 914, 946, 1828, 1892, 5027, 10054, 19651, 20108, 39302, 78604, 216161, 432322, 864644]

約数ペア:

[(1, 864644), (2, 432322), (4, 216161), (11, 78604), (22, 39302), (43, 20108), (44, 19651), (86, 10054), (172, 5027), (457, 1892), (473, 1828), (914, 946)]