128465975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{569}}^1\times {\mathrm{821}}^1$

素因数の和:1411

約数の個数: 24

約数和(自身を含む): 174296880

約数和(自身を除く): 45830905

約数列:

[1, 5, 11, 25, 55, 275, 569, 821, 2845, 4105, 6259, 9031, 14225, 20525, 31295, 45155, 156475, 225775, 467149, 2335745, 5138639, 11678725, 25693195, 128465975]

約数ペア:

[(1, 128465975), (5, 25693195), (11, 11678725), (25, 5138639), (55, 2335745), (275, 467149), (569, 225775), (821, 156475), (2845, 45155), (4105, 31295), (6259, 20525), (9031, 14225)]