25784286

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{390671}}^1$

素因数の和:390687

約数の個数: 16

約数和(自身を含む): 56256768

約数和(自身を除く): 30472482

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 390671, 781342, 1172013, 2344026, 4297381, 8594762, 12892143, 25784286]

約数ペア:

[(1, 25784286), (2, 12892143), (3, 8594762), (6, 4297381), (11, 2344026), (22, 1172013), (33, 781342), (66, 390671)]