28409821

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:189

約数の個数: 24

約数和(自身を含む): 33362784

約数和(自身を除く): 4952963

約数列:

[1, 11, 29, 37, 83, 319, 407, 841, 913, 1073, 2407, 3071, 9251, 11803, 26477, 31117, 33781, 69803, 89059, 342287, 767833, 979649, 2582711, 28409821]

約数ペア:

[(1, 28409821), (11, 2582711), (29, 979649), (37, 767833), (83, 342287), (319, 89059), (407, 69803), (841, 33781), (913, 31117), (1073, 26477), (2407, 11803), (3071, 9251)]