128294495

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{30803}}^1$

素因数の和:30839

約数の個数: 24

約数和(自身を含む): 189629424

約数和(自身を除く): 61334929

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 595, 833, 4165, 30803, 154015, 215621, 523651, 1078105, 1509347, 2618255, 3665557, 7546735, 18327785, 25658899, 128294495]

約数ペア:

[(1, 128294495), (5, 25658899), (7, 18327785), (17, 7546735), (35, 3665557), (49, 2618255), (85, 1509347), (119, 1078105), (245, 523651), (595, 215621), (833, 154015), (4165, 30803)]