257060495

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1\times {\mathrm{4211}}^1$

素因数の和:4666

約数の個数: 16

約数和(自身を含む): 319943520

約数和(自身を除く): 62883025

約数列:

[1, 5, 29, 145, 421, 2105, 4211, 12209, 21055, 61045, 122119, 610595, 1772831, 8864155, 51412099, 257060495]

約数ペア:

[(1, 257060495), (5, 51412099), (29, 8864155), (145, 1772831), (421, 610595), (2105, 122119), (4211, 61045), (12209, 21055)]