68345774

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{256939}}^1$

素因数の和:256967

約数の個数: 16

約数和(自身を含む): 123331200

約数和(自身を除く): 54985426

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 256939, 513878, 1798573, 3597146, 4881841, 9763682, 34172887, 68345774]

約数ペア:

[(1, 68345774), (2, 34172887), (7, 9763682), (14, 4881841), (19, 3597146), (38, 1798573), (133, 513878), (266, 256939)]