12657455

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{643}}^1$

素因数の和:806

約数の個数: 16

約数和(自身を含む): 15826944

約数和(自身を除く): 3169489

約数列:

[1, 5, 31, 127, 155, 635, 643, 3215, 3937, 19685, 19933, 81661, 99665, 408305, 2531491, 12657455]

約数ペア:

[(1, 12657455), (5, 2531491), (31, 408305), (127, 99665), (155, 81661), (635, 19933), (643, 19685), (3215, 3937)]