28720878

素因数分解:

$2^1\times 3^1\times {\mathrm{1621}}^1\times {\mathrm{2953}}^1$

素因数の和:4579

約数の個数: 16

約数和(自身を含む): 57496656

約数和(自身を除く): 28775778

約数列:

[1, 2, 3, 6, 1621, 2953, 3242, 4863, 5906, 8859, 9726, 17718, 4786813, 9573626, 14360439, 28720878]

約数ペア:

[(1, 28720878), (2, 14360439), (3, 9573626), (6, 4786813), (1621, 17718), (2953, 9726), (3242, 8859), (4863, 5906)]