28438081

素因数分解:

$7^2\times {\mathrm{89}}^1\times {\mathrm{6521}}^1$

素因数の和:6624

約数の個数: 12

約数和(自身を含む): 33457860

約数和(自身を除く): 5019779

約数列:

[1, 7, 49, 89, 623, 4361, 6521, 45647, 319529, 580369, 4062583, 28438081]

約数ペア:

[(1, 28438081), (7, 4062583), (49, 580369), (89, 319529), (623, 45647), (4361, 6521)]