28405212

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{215191}}^1$

素因数の和:215209

約数の個数: 24

約数和(自身を含む): 72304512

約数和(自身を除く): 43899300

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 215191, 430382, 645573, 860764, 1291146, 2367101, 2582292, 4734202, 7101303, 9468404, 14202606, 28405212]

約数ペア:

[(1, 28405212), (2, 14202606), (3, 9468404), (4, 7101303), (6, 4734202), (11, 2582292), (12, 2367101), (22, 1291146), (33, 860764), (44, 645573), (66, 430382), (132, 215191)]