990032

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{1439}}^1$

素因数の和:1490

約数の個数: 20

約数和(自身を含む): 1964160

約数和(自身を除く): 974128

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 1439, 2878, 5756, 11512, 23024, 61877, 123754, 247508, 495016, 990032]

約数ペア:

[(1, 990032), (2, 495016), (4, 247508), (8, 123754), (16, 61877), (43, 23024), (86, 11512), (172, 5756), (344, 2878), (688, 1439)]