90709025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19403}}^1$

素因数の和:19441

約数の個数: 24

約数和(自身を含む): 129929184

約数和(自身を除く): 39220159

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 425, 935, 4675, 19403, 97015, 213433, 329851, 485075, 1067165, 1649255, 3628361, 5335825, 8246275, 18141805, 90709025]

約数ペア:

[(1, 90709025), (5, 18141805), (11, 8246275), (17, 5335825), (25, 3628361), (55, 1649255), (85, 1067165), (187, 485075), (275, 329851), (425, 213433), (935, 97015), (4675, 19403)]