28212268

素因数分解:

$2^2\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1567}}^1$

素因数の和:2221

約数の個数: 24

約数和(自身を含む): 56548352

約数和(自身を除く): 28336084

約数列:

[1, 2, 4, 7, 14, 28, 643, 1286, 1567, 2572, 3134, 4501, 6268, 9002, 10969, 18004, 21938, 43876, 1007581, 2015162, 4030324, 7053067, 14106134, 28212268]

約数ペア:

[(1, 28212268), (2, 14106134), (4, 7053067), (7, 4030324), (14, 2015162), (28, 1007581), (643, 43876), (1286, 21938), (1567, 18004), (2572, 10969), (3134, 9002), (4501, 6268)]