208687105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{53441}}^1$

素因数の和:53528

約数の個数: 16

約数和(自身を含む): 277043328

約数和(自身を除く): 68356223

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 53441, 267205, 587851, 2939255, 3794311, 18971555, 41737421, 208687105]

約数ペア:

[(1, 208687105), (5, 41737421), (11, 18971555), (55, 3794311), (71, 2939255), (355, 587851), (781, 267205), (3905, 53441)]