80640418

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{12289}}^1$

素因数の和:12501

約数の個数: 16

約数和(自身を含む): 128750040

約数和(自身を除く): 48109622

約数列:

[1, 2, 17, 34, 193, 386, 3281, 6562, 12289, 24578, 208913, 417826, 2371777, 4743554, 40320209, 80640418]

約数ペア:

[(1, 80640418), (2, 40320209), (17, 4743554), (34, 2371777), (193, 417826), (386, 208913), (3281, 24578), (6562, 12289)]