208996821415

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{823}}^1\times {\mathrm{642899}}^1$

素因数の和:643806

約数の個数: 16

約数和(自身を含む): 254279808000

約数和(自身を除く): 45282986585

約数列:

[1, 5, 79, 395, 823, 4115, 65017, 325085, 642899, 3214495, 50789021, 253945105, 529105877, 2645529385, 41799364283, 208996821415]

約数ペア:

[(1, 208996821415), (5, 41799364283), (79, 2645529385), (395, 529105877), (823, 253945105), (4115, 50789021), (65017, 3214495), (325085, 642899)]