28418576

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{43321}}^1$

素因数の和:43370

約数の個数: 20

約数和(自身を含む): 56405244

約数和(自身を除く): 27986668

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 43321, 86642, 173284, 346568, 693136, 1776161, 3552322, 7104644, 14209288, 28418576]

約数ペア:

[(1, 28418576), (2, 14209288), (4, 7104644), (8, 3552322), (16, 1776161), (41, 693136), (82, 346568), (164, 173284), (328, 86642), (656, 43321)]