28715155

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{35671}}^1$

素因数の和:35706

約数の個数: 16

約数和(自身を含む): 41094144

約数和(自身を除く): 12378989

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 35671, 178355, 249697, 820433, 1248485, 4102165, 5743031, 28715155]

約数ペア:

[(1, 28715155), (5, 5743031), (7, 4102165), (23, 1248485), (35, 820433), (115, 249697), (161, 178355), (805, 35671)]