978985

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{337}}^1$

素因数の和:432

約数の個数: 16

約数和(自身を含む): 1362816

約数和(自身を除く): 383831

約数列:

[1, 5, 7, 35, 83, 337, 415, 581, 1685, 2359, 2905, 11795, 27971, 139855, 195797, 978985]

約数ペア:

[(1, 978985), (5, 195797), (7, 139855), (35, 27971), (83, 11795), (337, 2905), (415, 2359), (581, 1685)]