64681288

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{26861}}^1$

素因数の和:26917

約数の個数: 32

約数和(自身を含む): 141831360

約数和(自身を除く): 77150072

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 26861, 53722, 107444, 188027, 214888, 376054, 752108, 1155023, 1504216, 2310046, 4620092, 8085161, 9240184, 16170322, 32340644, 64681288]

約数ペア:

[(1, 64681288), (2, 32340644), (4, 16170322), (7, 9240184), (8, 8085161), (14, 4620092), (28, 2310046), (43, 1504216), (56, 1155023), (86, 752108), (172, 376054), (301, 214888), (344, 188027), (602, 107444), (1204, 53722), (2408, 26861)]