209004994

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{5501}}^1$

素因数の和:5682

約数の個数: 24

約数和(自身を含む): 346857084

約数和(自身を除く): 137852090

約数列:

[1, 2, 11, 22, 121, 157, 242, 314, 1727, 3454, 5501, 11002, 18997, 37994, 60511, 121022, 665621, 863657, 1331242, 1727314, 9500227, 19000454, 104502497, 209004994]

約数ペア:

[(1, 209004994), (2, 104502497), (11, 19000454), (22, 9500227), (121, 1727314), (157, 1331242), (242, 863657), (314, 665621), (1727, 121022), (3454, 60511), (5501, 37994), (11002, 18997)]