2051663999

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{857}}^1\times {\mathrm{31091}}^1$

素因数の和:31966

約数の個数: 16

約数和(自身を含む): 2560985856

約数和(自身を除く): 509321857

約数列:

[1, 7, 11, 77, 857, 5999, 9427, 31091, 65989, 217637, 342001, 2394007, 26644987, 186514909, 293094857, 2051663999]

約数ペア:

[(1, 2051663999), (7, 293094857), (11, 186514909), (77, 26644987), (857, 2394007), (5999, 342001), (9427, 217637), (31091, 65989)]