28157962

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2861}}^1$

素因数の和:2926

約数の個数: 32

約数和(自身を含む): 52202880

約数和(自身を除く): 24044918

約数列:

[1, 2, 7, 14, 19, 37, 38, 74, 133, 259, 266, 518, 703, 1406, 2861, 4921, 5722, 9842, 20027, 40054, 54359, 105857, 108718, 211714, 380513, 740999, 761026, 1481998, 2011283, 4022566, 14078981, 28157962]

約数ペア:

[(1, 28157962), (2, 14078981), (7, 4022566), (14, 2011283), (19, 1481998), (37, 761026), (38, 740999), (74, 380513), (133, 211714), (259, 108718), (266, 105857), (518, 54359), (703, 40054), (1406, 20027), (2861, 9842), (4921, 5722)]