128575199225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{809}}^1\times {\mathrm{577931}}^1$

素因数の和:578761

約数の個数: 24

約数和(自身を含む): 174142470240

約数和(自身を除く): 45567271015

約数列:

[1, 5, 11, 25, 55, 275, 809, 4045, 8899, 20225, 44495, 222475, 577931, 2889655, 6357241, 14448275, 31786205, 158931025, 467546179, 2337730895, 5143007969, 11688654475, 25715039845, 128575199225]

約数ペア:

[(1, 128575199225), (5, 25715039845), (11, 11688654475), (25, 5143007969), (55, 2337730895), (275, 467546179), (809, 158931025), (4045, 31786205), (8899, 14448275), (20225, 6357241), (44495, 2889655), (222475, 577931)]