2005069825

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{662833}}^1$

素因数の和:662865

約数の個数: 18

約数和(自身を含む): 2732864582

約数和(自身を除く): 727794757

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 662833, 3314165, 7291163, 16570825, 36455815, 80202793, 182279075, 401013965, 2005069825]

約数ペア:

[(1, 2005069825), (5, 401013965), (11, 182279075), (25, 80202793), (55, 36455815), (121, 16570825), (275, 7291163), (605, 3314165), (3025, 662833)]