28128798

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{21407}}^1$

素因数の和:21488

約数の個数: 24

約数和(自身を含む): 61783488

約数和(自身を除く): 33654690

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 657, 1314, 21407, 42814, 64221, 128442, 192663, 385326, 1562711, 3125422, 4688133, 9376266, 14064399, 28128798]

約数ペア:

[(1, 28128798), (2, 14064399), (3, 9376266), (6, 4688133), (9, 3125422), (18, 1562711), (73, 385326), (146, 192663), (219, 128442), (438, 64221), (657, 42814), (1314, 21407)]