2017689025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{17939}}^1$

素因数の和:18369

約数の個数: 24

約数和(自身を含む): 2736208800

約数和(自身を除く): 718519775

約数列:

[1, 5, 11, 25, 55, 275, 409, 2045, 4499, 10225, 17939, 22495, 89695, 112475, 197329, 448475, 986645, 4933225, 7337051, 36685255, 80707561, 183426275, 403537805, 2017689025]

約数ペア:

[(1, 2017689025), (5, 403537805), (11, 183426275), (25, 80707561), (55, 36685255), (275, 7337051), (409, 4933225), (2045, 986645), (4499, 448475), (10225, 197329), (17939, 112475), (22495, 89695)]