258698566

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{1949}}^1$

素因数の和:2476

約数の個数: 32

約数和(自身を含む): 468000000

約数和(自身を除く): 209301434

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 499, 998, 1949, 3493, 3898, 6986, 9481, 13643, 18962, 27286, 37031, 66367, 74062, 132734, 259217, 518434, 972551, 1945102, 6807857, 13615714, 18478469, 36956938, 129349283, 258698566]

約数ペア:

[(1, 258698566), (2, 129349283), (7, 36956938), (14, 18478469), (19, 13615714), (38, 6807857), (133, 1945102), (266, 972551), (499, 518434), (998, 259217), (1949, 132734), (3493, 74062), (3898, 66367), (6986, 37031), (9481, 27286), (13643, 18962)]