68281616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{328277}}^1$

素因数の和:328298

約数の個数: 20

約数和(自身を含む): 142472652

約数和(自身を除く): 74191036

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 328277, 656554, 1313108, 2626216, 4267601, 5252432, 8535202, 17070404, 34140808, 68281616]

約数ペア:

[(1, 68281616), (2, 34140808), (4, 17070404), (8, 8535202), (13, 5252432), (16, 4267601), (26, 2626216), (52, 1313108), (104, 656554), (208, 328277)]