304889123

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 406591488

約数和(自身を除く): 101702365

約数列:

[1, 7, 11, 31, 49, 71, 77, 217, 257, 341, 497, 539, 781, 1519, 1799, 2201, 2387, 2827, 3479, 5467, 7967, 12593, 15407, 16709, 18247, 19789, 24211, 38269, 55769, 87637, 107849, 127729, 138523, 169477, 200717, 390383, 565657, 613459, 894103, 1186339, 1405019, 3959599, 4294213, 6222227, 9835133, 27717193, 43555589, 304889123]

約数ペア:

[(1, 304889123), (7, 43555589), (11, 27717193), (31, 9835133), (49, 6222227), (71, 4294213), (77, 3959599), (217, 1405019), (257, 1186339), (341, 894103), (497, 613459), (539, 565657), (781, 390383), (1519, 200717), (1799, 169477), (2201, 138523), (2387, 127729), (2827, 107849), (3479, 87637), (5467, 55769), (7967, 38269), (12593, 24211), (15407, 19789), (16709, 18247)]