2189761456

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{3338051}}^1$

素因数の和:3338100

約数の個数: 20

約数和(自身を含む): 4346143704

約数和(自身を除く): 2156382248

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 3338051, 6676102, 13352204, 26704408, 53408816, 136860091, 273720182, 547440364, 1094880728, 2189761456]

約数ペア:

[(1, 2189761456), (2, 1094880728), (4, 547440364), (8, 273720182), (16, 136860091), (41, 53408816), (82, 26704408), (164, 13352204), (328, 6676102), (656, 3338051)]