28257306

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1973}}^1$

素因数の和:2027

約数の個数: 64

約数和(自身を含む): 72769536

約数和(自身を除く): 44512230

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 31, 33, 42, 62, 66, 77, 93, 154, 186, 217, 231, 341, 434, 462, 651, 682, 1023, 1302, 1973, 2046, 2387, 3946, 4774, 5919, 7161, 11838, 13811, 14322, 21703, 27622, 41433, 43406, 61163, 65109, 82866, 122326, 130218, 151921, 183489, 303842, 366978, 428141, 455763, 672793, 856282, 911526, 1284423, 1345586, 2018379, 2568846, 4036758, 4709551, 9419102, 14128653, 28257306]

約数ペア:

[(1, 28257306), (2, 14128653), (3, 9419102), (6, 4709551), (7, 4036758), (11, 2568846), (14, 2018379), (21, 1345586), (22, 1284423), (31, 911526), (33, 856282), (42, 672793), (62, 455763), (66, 428141), (77, 366978), (93, 303842), (154, 183489), (186, 151921), (217, 130218), (231, 122326), (341, 82866), (434, 65109), (462, 61163), (651, 43406), (682, 41433), (1023, 27622), (1302, 21703), (1973, 14322), (2046, 13811), (2387, 11838), (3946, 7161), (4774, 5919)]