211676773

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1249}}^1$

素因数の和:1369

約数の個数: 32

約数和(自身を含む): 276480000

約数和(自身を除く): 64803227

約数列:

[1, 7, 11, 31, 71, 77, 217, 341, 497, 781, 1249, 2201, 2387, 5467, 8743, 13739, 15407, 24211, 38719, 88679, 96173, 169477, 271033, 425909, 620753, 975469, 2749049, 2981363, 6828283, 19243343, 30239539, 211676773]

約数ペア:

[(1, 211676773), (7, 30239539), (11, 19243343), (31, 6828283), (71, 2981363), (77, 2749049), (217, 975469), (341, 620753), (497, 425909), (781, 271033), (1249, 169477), (2201, 96173), (2387, 88679), (5467, 38719), (8743, 24211), (13739, 15407)]