28481268

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2789}}^1$

素因数の和:2856

約数の個数: 48

約数和(自身を含む): 71245440

約数和(自身を除く): 42764172

約数列:

[1, 2, 3, 4, 6, 12, 23, 37, 46, 69, 74, 92, 111, 138, 148, 222, 276, 444, 851, 1702, 2553, 2789, 3404, 5106, 5578, 8367, 10212, 11156, 16734, 33468, 64147, 103193, 128294, 192441, 206386, 256588, 309579, 384882, 412772, 619158, 769764, 1238316, 2373439, 4746878, 7120317, 9493756, 14240634, 28481268]

約数ペア:

[(1, 28481268), (2, 14240634), (3, 9493756), (4, 7120317), (6, 4746878), (12, 2373439), (23, 1238316), (37, 769764), (46, 619158), (69, 412772), (74, 384882), (92, 309579), (111, 256588), (138, 206386), (148, 192441), (222, 128294), (276, 103193), (444, 64147), (851, 33468), (1702, 16734), (2553, 11156), (2789, 10212), (3404, 8367), (5106, 5578)]