28540048

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{21491}}^1$

素因数の和:21582

約数の個数: 20

約数和(自身を含む): 55965168

約数和(自身を除く): 27425120

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 21491, 42982, 85964, 171928, 343856, 1783753, 3567506, 7135012, 14270024, 28540048]

約数ペア:

[(1, 28540048), (2, 14270024), (4, 7135012), (8, 3567506), (16, 1783753), (83, 343856), (166, 171928), (332, 85964), (664, 42982), (1328, 21491)]