27779984

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{12491}}^1$

素因数の和:12638

約数の個数: 20

約数和(自身を含む): 54215280

約数和(自身を除く): 26435296

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 12491, 24982, 49964, 99928, 199856, 1736249, 3472498, 6944996, 13889992, 27779984]

約数ペア:

[(1, 27779984), (2, 13889992), (4, 6944996), (8, 3472498), (16, 1736249), (139, 199856), (278, 99928), (556, 49964), (1112, 24982), (2224, 12491)]