208178876

素因数分解:

$2^2\times {\mathrm{1297}}^1\times {\mathrm{40127}}^1$

素因数の和:41428

約数の個数: 12

約数和(自身を含む): 364603008

約数和(自身を除く): 156424132

約数列:

[1, 2, 4, 1297, 2594, 5188, 40127, 80254, 160508, 52044719, 104089438, 208178876]

約数ペア:

[(1, 208178876), (2, 104089438), (4, 52044719), (1297, 160508), (2594, 80254), (5188, 40127)]