28402231

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 35481600

約数和(自身を除く): 7079369

約数列:

[1, 11, 13, 31, 43, 143, 149, 341, 403, 473, 559, 1333, 1639, 1937, 4433, 4619, 6149, 6407, 14663, 17329, 21307, 50809, 60047, 70477, 83291, 190619, 198617, 660517, 916201, 2184787, 2582021, 28402231]

約数ペア:

[(1, 28402231), (11, 2582021), (13, 2184787), (31, 916201), (43, 660517), (143, 198617), (149, 190619), (341, 83291), (403, 70477), (473, 60047), (559, 50809), (1333, 21307), (1639, 17329), (1937, 14663), (4433, 6407), (4619, 6149)]