2077278721

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{503827}}^1$

素因数の和:503884

約数の個数: 16

約数和(自身を含む): 2579599360

約数和(自身を除く): 502320639

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 503827, 3526789, 9572713, 15618637, 67008991, 109330459, 296754103, 2077278721]

約数ペア:

[(1, 2077278721), (7, 296754103), (19, 109330459), (31, 67008991), (133, 15618637), (217, 9572713), (589, 3526789), (4123, 503827)]