1405985

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1$

素因数の和:185

約数の個数: 24

約数和(自身を含む): 2063040

約数和(自身を除く): 657055

約数列:

[1, 5, 7, 17, 35, 85, 119, 139, 289, 595, 695, 973, 1445, 2023, 2363, 4865, 10115, 11815, 16541, 40171, 82705, 200855, 281197, 1405985]

約数ペア:

[(1, 1405985), (5, 281197), (7, 200855), (17, 82705), (35, 40171), (85, 16541), (119, 11815), (139, 10115), (289, 4865), (595, 2363), (695, 2023), (973, 1445)]