208015927

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 270864000

約数和(自身を除く): 62848073

約数列:

[1, 7, 17, 29, 49, 79, 109, 119, 203, 493, 553, 763, 833, 1343, 1421, 1853, 2291, 3161, 3451, 3871, 5341, 8611, 9401, 12971, 16037, 22127, 24157, 38947, 53737, 60277, 65807, 90797, 112259, 146387, 154889, 249719, 272629, 376159, 421939, 1024709, 1748033, 1908403, 2633113, 4245223, 7172963, 12236231, 29716561, 208015927]

約数ペア:

[(1, 208015927), (7, 29716561), (17, 12236231), (29, 7172963), (49, 4245223), (79, 2633113), (109, 1908403), (119, 1748033), (203, 1024709), (493, 421939), (553, 376159), (763, 272629), (833, 249719), (1343, 154889), (1421, 146387), (1853, 112259), (2291, 90797), (3161, 65807), (3451, 60277), (3871, 53737), (5341, 38947), (8611, 24157), (9401, 22127), (12971, 16037)]