720416963405

素因数分解:

$5^1\times {\mathrm{127}}^1\times {\mathrm{809}}^1\times {\mathrm{1402367}}^1$

素因数の和:1403308

約数の個数: 16

約数和(自身を含む): 872385085440

約数和(自身を除く): 151968122035

約数列:

[1, 5, 127, 635, 809, 4045, 102743, 513715, 1402367, 7011835, 178100609, 890503045, 1134514903, 5672574515, 144083392681, 720416963405]

約数ペア:

[(1, 720416963405), (5, 144083392681), (127, 5672574515), (635, 1134514903), (809, 890503045), (4045, 178100609), (102743, 7011835), (513715, 1402367)]