28808143

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{3557}}^1$

素因数の和:3666

約数の個数: 16

約数和(自身を含む): 35864640

約数和(自身を除く): 7056497

約数列:

[1, 7, 13, 89, 91, 623, 1157, 3557, 8099, 24899, 46241, 316573, 323687, 2216011, 4115449, 28808143]

約数ペア:

[(1, 28808143), (7, 4115449), (13, 2216011), (89, 323687), (91, 316573), (623, 46241), (1157, 24899), (3557, 8099)]