1287996872

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{67961}}^1$

素因数の和:68093

約数の個数: 32

約数和(自身を含む): 2544497280

約数和(自身を除く): 1256500408

約数列:

[1, 2, 4, 8, 23, 46, 92, 103, 184, 206, 412, 824, 2369, 4738, 9476, 18952, 67961, 135922, 271844, 543688, 1563103, 3126206, 6252412, 6999983, 12504824, 13999966, 27999932, 55999864, 160999609, 321999218, 643998436, 1287996872]

約数ペア:

[(1, 1287996872), (2, 643998436), (4, 321999218), (8, 160999609), (23, 55999864), (46, 27999932), (92, 13999966), (103, 12504824), (184, 6999983), (206, 6252412), (412, 3126206), (824, 1563103), (2369, 543688), (4738, 271844), (9476, 135922), (18952, 67961)]