201917681

素因数分解:

$7^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{457}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 240592896

約数和(自身を除く): 38675215

約数列:

[1, 7, 49, 71, 127, 457, 497, 889, 3199, 3479, 6223, 9017, 22393, 32447, 58039, 63119, 227129, 406273, 441833, 1589903, 2843911, 4120769, 28845383, 201917681]

約数ペア:

[(1, 201917681), (7, 28845383), (49, 4120769), (71, 2843911), (127, 1589903), (457, 441833), (497, 406273), (889, 227129), (3199, 63119), (3479, 58039), (6223, 32447), (9017, 22393)]