388220581

素因数分解:

$7^2\times {\mathrm{89}}^1\times {\mathrm{89021}}^1$

素因数の和:89124

約数の個数: 12

約数和(自身を含む): 456682860

約数和(自身を除く): 68462279

約数列:

[1, 7, 49, 89, 623, 4361, 89021, 623147, 4362029, 7922869, 55460083, 388220581]

約数ペア:

[(1, 388220581), (7, 55460083), (49, 7922869), (89, 4362029), (623, 623147), (4361, 89021)]