209927216

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{320011}}^1$

素因数の和:320060

約数の個数: 20

約数和(自身を含む): 416655624

約数和(自身を除く): 206728408

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 320011, 640022, 1280044, 2560088, 5120176, 13120451, 26240902, 52481804, 104963608, 209927216]

約数ペア:

[(1, 209927216), (2, 104963608), (4, 52481804), (8, 26240902), (16, 13120451), (41, 5120176), (82, 2560088), (164, 1280044), (328, 640022), (656, 320011)]