209450945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{9311}}^1$

素因数の和:9736

約数の個数: 16

約数和(自身を含む): 274890240

約数和(自身を除く): 65439295

約数列:

[1, 5, 11, 55, 409, 2045, 4499, 9311, 22495, 46555, 102421, 512105, 3808199, 19040995, 41890189, 209450945]

約数ペア:

[(1, 209450945), (5, 41890189), (11, 19040995), (55, 3808199), (409, 512105), (2045, 102421), (4499, 46555), (9311, 22495)]