7777681925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{283}}^1\times {\mathrm{821}}^1$

素因数の和:1230

約数の個数: 48

約数和(自身を含む): 10536908928

約数和(自身を除く): 2759227003

約数列:

[1, 5, 13, 25, 65, 103, 283, 325, 515, 821, 1339, 1415, 2575, 3679, 4105, 6695, 7075, 10673, 18395, 20525, 29149, 33475, 53365, 84563, 91975, 145745, 232343, 266825, 378937, 422815, 728725, 1099319, 1161715, 1894685, 2114075, 3020459, 5496595, 5808575, 9473425, 15102295, 23931329, 27482975, 75511475, 119656645, 311107277, 598283225, 1555536385, 7777681925]

約数ペア:

[(1, 7777681925), (5, 1555536385), (13, 598283225), (25, 311107277), (65, 119656645), (103, 75511475), (283, 27482975), (325, 23931329), (515, 15102295), (821, 9473425), (1339, 5808575), (1415, 5496595), (2575, 3020459), (3679, 2114075), (4105, 1894685), (6695, 1161715), (7075, 1099319), (10673, 728725), (18395, 422815), (20525, 378937), (29149, 266825), (33475, 232343), (53365, 145745), (84563, 91975)]