80851771

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{59}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 113460480

約数和(自身を除く): 32608709

約数列:

[1, 7, 11, 13, 37, 59, 77, 91, 143, 259, 407, 413, 481, 649, 767, 1001, 1369, 2183, 2849, 3367, 4543, 5291, 5369, 8437, 9583, 15059, 15281, 17797, 24013, 28379, 37037, 59059, 80771, 105413, 124579, 168091, 195767, 198653, 312169, 565397, 888481, 1050023, 1370369, 2185183, 6219367, 7350161, 11550253, 80851771]

約数ペア:

[(1, 80851771), (7, 11550253), (11, 7350161), (13, 6219367), (37, 2185183), (59, 1370369), (77, 1050023), (91, 888481), (143, 565397), (259, 312169), (407, 198653), (413, 195767), (481, 168091), (649, 124579), (767, 105413), (1001, 80771), (1369, 59059), (2183, 37037), (2849, 28379), (3367, 24013), (4543, 17797), (5291, 15281), (5369, 15059), (8437, 9583)]