28289723

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{7817}}^1$

素因数の和:7882

約数の個数: 16

約数和(自身を含む): 36025344

約数和(自身を除く): 7735621

約数列:

[1, 7, 11, 47, 77, 329, 517, 3619, 7817, 54719, 85987, 367399, 601909, 2571793, 4041389, 28289723]

約数ペア:

[(1, 28289723), (7, 4041389), (11, 2571793), (47, 601909), (77, 367399), (329, 85987), (517, 54719), (3619, 7817)]