28487543

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{71}}^1$

素因数の和:195

約数の個数: 24

約数和(自身を含む): 34891776

約数和(自身を除く): 6404233

約数列:

[1, 7, 31, 43, 71, 217, 301, 497, 1333, 1849, 2201, 3053, 9331, 12943, 15407, 21371, 57319, 94643, 131279, 401233, 662501, 918953, 4069649, 28487543]

約数ペア:

[(1, 28487543), (7, 4069649), (31, 918953), (43, 662501), (71, 401233), (217, 131279), (301, 94643), (497, 57319), (1333, 21371), (1849, 15407), (2201, 12943), (3053, 9331)]