204099995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{195311}}^1$

素因数の和:195346

約数の個数: 16

約数和(自身を含む): 281249280

約数和(自身を除く): 77149285

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 195311, 976555, 2148421, 3710909, 10742105, 18554545, 40819999, 204099995]

約数ペア:

[(1, 204099995), (5, 40819999), (11, 18554545), (19, 10742105), (55, 3710909), (95, 2148421), (209, 976555), (1045, 195311)]