90992275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{809}}^1$

素因数の和:1239

約数の個数: 24

約数和(自身を含む): 123541200

約数和(自身を除く): 32548925

約数列:

[1, 5, 11, 25, 55, 275, 409, 809, 2045, 4045, 4499, 8899, 10225, 20225, 22495, 44495, 112475, 222475, 330881, 1654405, 3639691, 8272025, 18198455, 90992275]

約数ペア:

[(1, 90992275), (5, 18198455), (11, 8272025), (25, 3639691), (55, 1654405), (275, 330881), (409, 222475), (809, 112475), (2045, 44495), (4045, 22495), (4499, 20225), (8899, 10225)]