209969081

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1\times {\mathrm{1753}}^1$

素因数の和:2072

約数の個数: 16

約数和(自身を含む): 244493568

約数和(自身を除く): 34524487

約数列:

[1, 7, 71, 241, 497, 1687, 1753, 12271, 17111, 119777, 124463, 422473, 871241, 2957311, 29995583, 209969081]

約数ペア:

[(1, 209969081), (7, 29995583), (71, 2957311), (241, 871241), (497, 422473), (1687, 124463), (1753, 119777), (12271, 17111)]