208520510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{172331}}^1$

素因数の和:172360

約数の個数: 24

約数和(自身を含む): 412562808

約数和(自身を除く): 204042298

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 172331, 344662, 861655, 1723310, 1895641, 3791282, 9478205, 18956410, 20852051, 41704102, 104260255, 208520510]

約数ペア:

[(1, 208520510), (2, 104260255), (5, 41704102), (10, 20852051), (11, 18956410), (22, 9478205), (55, 3791282), (110, 1895641), (121, 1723310), (242, 861655), (605, 344662), (1210, 172331)]