2047925

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{677}}^1$

素因数の和:709

約数の個数: 18

約数和(自身を含む): 2795394

約数和(自身を除く): 747469

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 677, 3025, 3385, 7447, 16925, 37235, 81917, 186175, 409585, 2047925]

約数ペア:

[(1, 2047925), (5, 409585), (11, 186175), (25, 81917), (55, 37235), (121, 16925), (275, 7447), (605, 3385), (677, 3025)]