28399189

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{599}}^1$

素因数の和:1140

約数の個数: 16

約数和(自身を含む): 35078400

約数和(自身を除く): 6679211

約数列:

[1, 7, 13, 91, 521, 599, 3647, 4193, 6773, 7787, 47411, 54509, 312079, 2184553, 4057027, 28399189]

約数ペア:

[(1, 28399189), (7, 4057027), (13, 2184553), (91, 312079), (521, 54509), (599, 47411), (3647, 7787), (4193, 6773)]