128828675

素因数分解:

$5^2\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 162697920

約数和(自身を除く): 33869245

約数列:

[1, 5, 25, 131, 139, 283, 655, 695, 1415, 3275, 3475, 7075, 18209, 37073, 39337, 91045, 185365, 196685, 455225, 926825, 983425, 5153147, 25765735, 128828675]

約数ペア:

[(1, 128828675), (5, 25765735), (25, 5153147), (131, 983425), (139, 926825), (283, 455225), (655, 196685), (695, 185365), (1415, 91045), (3275, 39337), (3475, 37073), (7075, 18209)]