28705790

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{39323}}^1$

素因数の和:39403

約数の個数: 16

約数和(自身を含む): 52379568

約数和(自身を除く): 23673778

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 39323, 78646, 196615, 393230, 2870579, 5741158, 14352895, 28705790]

約数ペア:

[(1, 28705790), (2, 14352895), (5, 5741158), (10, 2870579), (73, 393230), (146, 196615), (365, 78646), (730, 39323)]