28991628

素因数分解:

$2^2\times 3^3\times {\mathrm{331}}^1\times {\mathrm{811}}^1$

素因数の和:1155

約数の個数: 48

約数和(自身を含む): 75483520

約数和(自身を除く): 46491892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 331, 662, 811, 993, 1324, 1622, 1986, 2433, 2979, 3244, 3972, 4866, 5958, 7299, 8937, 9732, 11916, 14598, 17874, 21897, 29196, 35748, 43794, 87588, 268441, 536882, 805323, 1073764, 1610646, 2415969, 3221292, 4831938, 7247907, 9663876, 14495814, 28991628]

約数ペア:

[(1, 28991628), (2, 14495814), (3, 9663876), (4, 7247907), (6, 4831938), (9, 3221292), (12, 2415969), (18, 1610646), (27, 1073764), (36, 805323), (54, 536882), (108, 268441), (331, 87588), (662, 43794), (811, 35748), (993, 29196), (1324, 21897), (1622, 17874), (1986, 14598), (2433, 11916), (2979, 9732), (3244, 8937), (3972, 7299), (4866, 5958)]