2018885

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 24

約数和(自身を含む): 2757888

約数和(自身を除く): 739003

約数列:

[1, 5, 11, 47, 55, 71, 121, 235, 355, 517, 605, 781, 2585, 3337, 3905, 5687, 8591, 16685, 28435, 36707, 42955, 183535, 403777, 2018885]

約数ペア:

[(1, 2018885), (5, 403777), (11, 183535), (47, 42955), (55, 36707), (71, 28435), (121, 16685), (235, 8591), (355, 5687), (517, 3905), (605, 3337), (781, 2585)]