12971312

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{21911}}^1$

素因数の和:21956

約数の個数: 20

約数和(自身を含む): 25812336

約数和(自身を除く): 12841024

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 21911, 43822, 87644, 175288, 350576, 810707, 1621414, 3242828, 6485656, 12971312]

約数ペア:

[(1, 12971312), (2, 6485656), (4, 3242828), (8, 1621414), (16, 810707), (37, 350576), (74, 175288), (148, 87644), (296, 43822), (592, 21911)]