68540276

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1499}}^1$

素因数の和:1604

約数の個数: 48

約数和(自身を含む): 145152000

約数和(自身を除く): 76611724

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 71, 92, 142, 161, 284, 322, 497, 644, 994, 1499, 1633, 1988, 2998, 3266, 5996, 6532, 10493, 11431, 20986, 22862, 34477, 41972, 45724, 68954, 106429, 137908, 212858, 241339, 425716, 482678, 745003, 965356, 1490006, 2447867, 2980012, 4895734, 9791468, 17135069, 34270138, 68540276]

約数ペア:

[(1, 68540276), (2, 34270138), (4, 17135069), (7, 9791468), (14, 4895734), (23, 2980012), (28, 2447867), (46, 1490006), (71, 965356), (92, 745003), (142, 482678), (161, 425716), (284, 241339), (322, 212858), (497, 137908), (644, 106429), (994, 68954), (1499, 45724), (1633, 41972), (1988, 34477), (2998, 22862), (3266, 20986), (5996, 11431), (6532, 10493)]