28864895

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 39372480

約数和(自身を除く): 10507585

約数列:

[1, 5, 17, 19, 61, 85, 95, 293, 305, 323, 1037, 1159, 1465, 1615, 4981, 5185, 5567, 5795, 17873, 19703, 24905, 27835, 89365, 94639, 98515, 303841, 339587, 473195, 1519205, 1697935, 5772979, 28864895]

約数ペア:

[(1, 28864895), (5, 5772979), (17, 1697935), (19, 1519205), (61, 473195), (85, 339587), (95, 303841), (293, 98515), (305, 94639), (323, 89365), (1037, 27835), (1159, 24905), (1465, 19703), (1615, 17873), (4981, 5795), (5185, 5567)]