28557347

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{353}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 36158976

約数和(自身を除く): 7601629

約数列:

[1, 7, 13, 49, 91, 127, 353, 637, 889, 1651, 2471, 4589, 6223, 11557, 17297, 32123, 44831, 80899, 224861, 313817, 582803, 2196719, 4079621, 28557347]

約数ペア:

[(1, 28557347), (7, 4079621), (13, 2196719), (49, 582803), (91, 313817), (127, 224861), (353, 80899), (637, 44831), (889, 32123), (1651, 17297), (2471, 11557), (4589, 6223)]