1279242488

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{439}}^1\times {\mathrm{1009}}^1$

素因数の和:1492

約数の個数: 48

約数和(自身を含む): 2539746000

約数和(自身を除く): 1260503512

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 439, 722, 878, 1009, 1444, 1756, 2018, 2888, 3512, 4036, 8072, 8341, 16682, 19171, 33364, 38342, 66728, 76684, 153368, 158479, 316958, 364249, 442951, 633916, 728498, 885902, 1267832, 1456996, 1771804, 2913992, 3543608, 8416069, 16832138, 33664276, 67328552, 159905311, 319810622, 639621244, 1279242488]

約数ペア:

[(1, 1279242488), (2, 639621244), (4, 319810622), (8, 159905311), (19, 67328552), (38, 33664276), (76, 16832138), (152, 8416069), (361, 3543608), (439, 2913992), (722, 1771804), (878, 1456996), (1009, 1267832), (1444, 885902), (1756, 728498), (2018, 633916), (2888, 442951), (3512, 364249), (4036, 316958), (8072, 158479), (8341, 153368), (16682, 76684), (19171, 66728), (33364, 38342)]