290556848

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{422321}}^1$

素因数の和:422372

約数の個数: 20

約数和(自身を含む): 576047208

約数和(自身を除く): 285490360

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 422321, 844642, 1689284, 3378568, 6757136, 18159803, 36319606, 72639212, 145278424, 290556848]

約数ペア:

[(1, 290556848), (2, 145278424), (4, 72639212), (8, 36319606), (16, 18159803), (43, 6757136), (86, 3378568), (172, 1689284), (344, 844642), (688, 422321)]