28387458

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{461}}^1$

素因数の和:791

約数の個数: 48

約数和(自身を含む): 67459392

約数和(自身を除く): 39071934

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 311, 461, 622, 922, 933, 1383, 1866, 2766, 2799, 3421, 4149, 5071, 5598, 6842, 8298, 10142, 10263, 15213, 20526, 30426, 30789, 45639, 61578, 91278, 143371, 286742, 430113, 860226, 1290339, 1577081, 2580678, 3154162, 4731243, 9462486, 14193729, 28387458]

約数ペア:

[(1, 28387458), (2, 14193729), (3, 9462486), (6, 4731243), (9, 3154162), (11, 2580678), (18, 1577081), (22, 1290339), (33, 860226), (66, 430113), (99, 286742), (198, 143371), (311, 91278), (461, 61578), (622, 45639), (922, 30789), (933, 30426), (1383, 20526), (1866, 15213), (2766, 10263), (2799, 10142), (3421, 8298), (4149, 6842), (5071, 5598)]