28889315

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{63493}}^1$

素因数の和:63518

約数の個数: 16

約数和(自身を含む): 42667968

約数和(自身を除く): 13778653

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 63493, 317465, 444451, 825409, 2222255, 4127045, 5777863, 28889315]

約数ペア:

[(1, 28889315), (5, 5777863), (7, 4127045), (13, 2222255), (35, 825409), (65, 444451), (91, 317465), (455, 63493)]