4028878

素因数分解:

$2^1\times 7^4\times {\mathrm{839}}^1$

素因数の和:869

約数の個数: 20

約数和(自身を含む): 7058520

約数和(自身を除く): 3029642

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 839, 1678, 2401, 4802, 5873, 11746, 41111, 82222, 287777, 575554, 2014439, 4028878]

約数ペア:

[(1, 4028878), (2, 2014439), (7, 575554), (14, 287777), (49, 82222), (98, 41111), (343, 11746), (686, 5873), (839, 4802), (1678, 2401)]