212790479

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 264757248

約数和(自身を除く): 51966769

約数列:

[1, 11, 17, 31, 47, 71, 121, 187, 341, 517, 527, 781, 799, 1207, 1457, 2057, 2201, 3337, 3751, 5687, 5797, 8591, 8789, 13277, 16027, 24211, 24769, 36707, 37417, 56729, 63767, 96679, 103447, 146047, 176297, 266321, 272459, 403777, 411587, 624019, 1137917, 1758599, 2997049, 4527457, 6864209, 12517087, 19344589, 212790479]

約数ペア:

[(1, 212790479), (11, 19344589), (17, 12517087), (31, 6864209), (47, 4527457), (71, 2997049), (121, 1758599), (187, 1137917), (341, 624019), (517, 411587), (527, 403777), (781, 272459), (799, 266321), (1207, 176297), (1457, 146047), (2057, 103447), (2201, 96679), (3337, 63767), (3751, 56729), (5687, 37417), (5797, 36707), (8591, 24769), (8789, 24211), (13277, 16027)]