1891312

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{2749}}^1$

素因数の和:2800

約数の個数: 20

約数和(自身を含む): 3751000

約数和(自身を除く): 1859688

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 2749, 5498, 10996, 21992, 43984, 118207, 236414, 472828, 945656, 1891312]

約数ペア:

[(1, 1891312), (2, 945656), (4, 472828), (8, 236414), (16, 118207), (43, 43984), (86, 21992), (172, 10996), (344, 5498), (688, 2749)]