28687124

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{1217}}^1$

素因数の和:1375

約数の個数: 24

約数和(自身を含む): 51565248

約数和(自身を除く): 22878124

約数列:

[1, 2, 4, 71, 83, 142, 166, 284, 332, 1217, 2434, 4868, 5893, 11786, 23572, 86407, 101011, 172814, 202022, 345628, 404044, 7171781, 14343562, 28687124]

約数ペア:

[(1, 28687124), (2, 14343562), (4, 7171781), (71, 404044), (83, 345628), (142, 202022), (166, 172814), (284, 101011), (332, 86407), (1217, 23572), (2434, 11786), (4868, 5893)]