28490657

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{941}}^1$

素因数の和:1108

約数の個数: 16

約数和(自身を含む): 32758992

約数和(自身を除く): 4268335

約数列:

[1, 13, 17, 137, 221, 941, 1781, 2329, 12233, 15997, 30277, 128917, 207961, 1675921, 2191589, 28490657]

約数ペア:

[(1, 28490657), (13, 2191589), (17, 1675921), (137, 207961), (221, 128917), (941, 30277), (1781, 15997), (2329, 12233)]