1728302569

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 2239142400

約数和(自身を除く): 510839831

約数列:

[1, 7, 17, 43, 49, 61, 113, 119, 301, 343, 427, 731, 791, 833, 1037, 1921, 2107, 2623, 2989, 4859, 5117, 5537, 5831, 6893, 7259, 13447, 14749, 18361, 20923, 34013, 35819, 38759, 44591, 48251, 50813, 82603, 94129, 117181, 128527, 238091, 250733, 296399, 312137, 337757, 355691, 578221, 658903, 820267, 899689, 1666637, 2074793, 2184959, 2364299, 4047547, 5038783, 5741869, 14523551, 15294713, 28332829, 35271481, 40193083, 101664857, 246900367, 1728302569]

約数ペア:

[(1, 1728302569), (7, 246900367), (17, 101664857), (43, 40193083), (49, 35271481), (61, 28332829), (113, 15294713), (119, 14523551), (301, 5741869), (343, 5038783), (427, 4047547), (731, 2364299), (791, 2184959), (833, 2074793), (1037, 1666637), (1921, 899689), (2107, 820267), (2623, 658903), (2989, 578221), (4859, 355691), (5117, 337757), (5537, 312137), (5831, 296399), (6893, 250733), (7259, 238091), (13447, 128527), (14749, 117181), (18361, 94129), (20923, 82603), (34013, 50813), (35819, 48251), (38759, 44591)]