128398105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{122869}}^1$

素因数の和:122904

約数の個数: 16

約数和(自身を含む): 176932800

約数和(自身を除く): 48534695

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 122869, 614345, 1351559, 2334511, 6757795, 11672555, 25679621, 128398105]

約数ペア:

[(1, 128398105), (5, 25679621), (11, 11672555), (19, 6757795), (55, 2334511), (95, 1351559), (209, 614345), (1045, 122869)]