28243132

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{643}}^1$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 50489600

約数和(自身を除く): 22246468

約数列:

[1, 2, 4, 79, 139, 158, 278, 316, 556, 643, 1286, 2572, 10981, 21962, 43924, 50797, 89377, 101594, 178754, 203188, 357508, 7060783, 14121566, 28243132]

約数ペア:

[(1, 28243132), (2, 14121566), (4, 7060783), (79, 357508), (139, 203188), (158, 178754), (278, 101594), (316, 89377), (556, 50797), (643, 43924), (1286, 21962), (2572, 10981)]