28643846

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{457}}^1$

素因数の和:525

約数の個数: 48

約数和(自身を含む): 55553568

約数和(自身を除く): 26909722

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 121, 154, 242, 259, 407, 457, 518, 814, 847, 914, 1694, 2849, 3199, 4477, 5027, 5698, 6398, 8954, 10054, 16909, 31339, 33818, 35189, 55297, 62678, 70378, 110594, 118363, 185999, 236726, 371998, 387079, 774158, 1301993, 2045989, 2603986, 4091978, 14321923, 28643846]

約数ペア:

[(1, 28643846), (2, 14321923), (7, 4091978), (11, 2603986), (14, 2045989), (22, 1301993), (37, 774158), (74, 387079), (77, 371998), (121, 236726), (154, 185999), (242, 118363), (259, 110594), (407, 70378), (457, 62678), (518, 55297), (814, 35189), (847, 33818), (914, 31339), (1694, 16909), (2849, 10054), (3199, 8954), (4477, 6398), (5027, 5698)]