220176856

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{640049}}^1$

素因数の和:640098

約数の個数: 16

約数和(自身を含む): 422433000

約数和(自身を除く): 202256144

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 640049, 1280098, 2560196, 5120392, 27522107, 55044214, 110088428, 220176856]

約数ペア:

[(1, 220176856), (2, 110088428), (4, 55044214), (8, 27522107), (43, 5120392), (86, 2560196), (172, 1280098), (344, 640049)]