257704889

素因数分解:

${\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{41213}}^1$

素因数の和:41276

約数の個数: 12

約数和(自身を含む): 286602156

約数和(自身を除く): 28897267

約数列:

[1, 13, 37, 169, 481, 6253, 41213, 535769, 1524881, 6964997, 19823453, 257704889]

約数ペア:

[(1, 257704889), (13, 19823453), (37, 6964997), (169, 1524881), (481, 535769), (6253, 41213)]