859312

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{1249}}^1$

素因数の和:1300

約数の個数: 20

約数和(自身を含む): 1705000

約数和(自身を除く): 845688

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 1249, 2498, 4996, 9992, 19984, 53707, 107414, 214828, 429656, 859312]

約数ペア:

[(1, 859312), (2, 429656), (4, 214828), (8, 107414), (16, 53707), (43, 19984), (86, 9992), (172, 4996), (344, 2498), (688, 1249)]