128568925

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{601}}^1$

素因数の和:853

約数の個数: 24

約数和(自身を含む): 164225600

約数和(自身を除く): 35656675

約数列:

[1, 5, 25, 43, 199, 215, 601, 995, 1075, 3005, 4975, 8557, 15025, 25843, 42785, 119599, 129215, 213925, 597995, 646075, 2989975, 5142757, 25713785, 128568925]

約数ペア:

[(1, 128568925), (5, 25713785), (25, 5142757), (43, 2989975), (199, 646075), (215, 597995), (601, 213925), (995, 129215), (1075, 119599), (3005, 42785), (4975, 25843), (8557, 15025)]