28928185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{40459}}^1$

素因数の和:40488

約数の個数: 16

約数和(自身を含む): 40783680

約数和(自身を除く): 11855495

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 40459, 202295, 445049, 525967, 2225245, 2629835, 5785637, 28928185]

約数ペア:

[(1, 28928185), (5, 5785637), (11, 2629835), (13, 2225245), (55, 525967), (65, 445049), (143, 202295), (715, 40459)]