133491056

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{20399}}^1$

素因数の和:20816

約数の個数: 20

約数和(自身を含む): 259284000

約数和(自身を除く): 125792944

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 20399, 40798, 81596, 163192, 326384, 8343191, 16686382, 33372764, 66745528, 133491056]

約数ペア:

[(1, 133491056), (2, 66745528), (4, 33372764), (8, 16686382), (16, 8343191), (409, 326384), (818, 163192), (1636, 81596), (3272, 40798), (6544, 20399)]