1939025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{641}}^1$

素因数の和:673

約数の個数: 18

約数和(自身を含む): 2646966

約数和(自身を除く): 707941

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 641, 3025, 3205, 7051, 16025, 35255, 77561, 176275, 387805, 1939025]

約数ペア:

[(1, 1939025), (5, 387805), (11, 176275), (25, 77561), (55, 35255), (121, 16025), (275, 7051), (605, 3205), (641, 3025)]