68477768

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{2161}}^1$

素因数の和:2417

約数の個数: 32

約数和(自身を含む): 136595160

約数和(自身を除く): 68117392

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 233, 466, 932, 1864, 2161, 3961, 4322, 7922, 8644, 15844, 17288, 31688, 36737, 73474, 146948, 293896, 503513, 1007026, 2014052, 4028104, 8559721, 17119442, 34238884, 68477768]

約数ペア:

[(1, 68477768), (2, 34238884), (4, 17119442), (8, 8559721), (17, 4028104), (34, 2014052), (68, 1007026), (136, 503513), (233, 293896), (466, 146948), (932, 73474), (1864, 36737), (2161, 31688), (3961, 17288), (4322, 15844), (7922, 8644)]