858890575

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{997}}^1\times {\mathrm{2027}}^1$

素因数の和:3051

約数の個数: 24

約数和(自身を含む): 1129360752

約数和(自身を除く): 270470177

約数列:

[1, 5, 17, 25, 85, 425, 997, 2027, 4985, 10135, 16949, 24925, 34459, 50675, 84745, 172295, 423725, 861475, 2020919, 10104595, 34355623, 50522975, 171778115, 858890575]

約数ペア:

[(1, 858890575), (5, 171778115), (17, 50522975), (25, 34355623), (85, 10104595), (425, 2020919), (997, 861475), (2027, 423725), (4985, 172295), (10135, 84745), (16949, 50675), (24925, 34459)]