257382215

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{14107}}^1$

素因数の和:14242

約数の個数: 16

約数和(自身を含む): 319969440

約数和(自身を除く): 62587225

約数列:

[1, 5, 41, 89, 205, 445, 3649, 14107, 18245, 70535, 578387, 1255523, 2891935, 6277615, 51476443, 257382215]

約数ペア:

[(1, 257382215), (5, 51476443), (41, 6277615), (89, 2891935), (205, 1255523), (445, 578387), (3649, 70535), (14107, 18245)]