2017861655

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{521}}^1\times {\mathrm{691}}^1$

素因数の和:1295

約数の個数: 32

約数和(自身を含む): 2600812800

約数和(自身を除く): 582951145

約数列:

[1, 5, 19, 59, 95, 295, 521, 691, 1121, 2605, 3455, 5605, 9899, 13129, 30739, 40769, 49495, 65645, 153695, 203845, 360011, 584041, 774611, 1800055, 2920205, 3873055, 6840209, 21240649, 34201045, 106203245, 403572331, 2017861655]

約数ペア:

[(1, 2017861655), (5, 403572331), (19, 106203245), (59, 34201045), (95, 21240649), (295, 6840209), (521, 3873055), (691, 2920205), (1121, 1800055), (2605, 774611), (3455, 584041), (5605, 360011), (9899, 203845), (13129, 153695), (30739, 65645), (40769, 49495)]