28687128

素因数分解:

$2^3\times 3^1\times {\mathrm{107}}^1\times {\mathrm{11171}}^1$

素因数の和:11287

約数の個数: 32

約数和(自身を含む): 72394560

約数和(自身を除く): 43707432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 107, 214, 321, 428, 642, 856, 1284, 2568, 11171, 22342, 33513, 44684, 67026, 89368, 134052, 268104, 1195297, 2390594, 3585891, 4781188, 7171782, 9562376, 14343564, 28687128]

約数ペア:

[(1, 28687128), (2, 14343564), (3, 9562376), (4, 7171782), (6, 4781188), (8, 3585891), (12, 2390594), (24, 1195297), (107, 268104), (214, 134052), (321, 89368), (428, 67026), (642, 44684), (856, 33513), (1284, 22342), (2568, 11171)]