28909615

素因数分解:

$5^1\times 7^1\times {\mathrm{809}}^1\times {\mathrm{1021}}^1$

素因数の和:1842

約数の個数: 16

約数和(自身を含む): 39735360

約数和(自身を除く): 10825745

約数列:

[1, 5, 7, 35, 809, 1021, 4045, 5105, 5663, 7147, 28315, 35735, 825989, 4129945, 5781923, 28909615]

約数ペア:

[(1, 28909615), (5, 5781923), (7, 4129945), (35, 825989), (809, 35735), (1021, 28315), (4045, 7147), (5105, 5663)]