249771275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{20771}}^1$

素因数の和:20831

約数の個数: 24

約数和(自身を含む): 342571824

約数和(自身を除く): 92800549

約数列:

[1, 5, 13, 25, 37, 65, 185, 325, 481, 925, 2405, 12025, 20771, 103855, 270023, 519275, 768527, 1350115, 3842635, 6750575, 9990851, 19213175, 49954255, 249771275]

約数ペア:

[(1, 249771275), (5, 49954255), (13, 19213175), (25, 9990851), (37, 6750575), (65, 3842635), (185, 1350115), (325, 768527), (481, 519275), (925, 270023), (2405, 103855), (12025, 20771)]