209432839

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:200

約数の個数: 64

約数和(自身を含む): 291548160

約数和(自身を除く): 82115321

約数列:

[1, 7, 11, 19, 37, 53, 73, 77, 133, 209, 259, 371, 407, 511, 583, 703, 803, 1007, 1387, 1463, 1961, 2701, 2849, 3869, 4081, 4921, 5621, 7049, 7733, 9709, 11077, 13727, 15257, 18907, 21571, 27083, 29711, 37259, 42559, 51319, 54131, 73511, 77539, 106799, 143153, 150997, 207977, 260813, 297913, 359233, 409849, 514577, 564509, 808621, 1002071, 1574683, 2719907, 2868943, 3951563, 5660347, 11022781, 19039349, 29918977, 209432839]

約数ペア:

[(1, 209432839), (7, 29918977), (11, 19039349), (19, 11022781), (37, 5660347), (53, 3951563), (73, 2868943), (77, 2719907), (133, 1574683), (209, 1002071), (259, 808621), (371, 564509), (407, 514577), (511, 409849), (583, 359233), (703, 297913), (803, 260813), (1007, 207977), (1387, 150997), (1463, 143153), (1961, 106799), (2701, 77539), (2849, 73511), (3869, 54131), (4081, 51319), (4921, 42559), (5621, 37259), (7049, 29711), (7733, 27083), (9709, 21571), (11077, 18907), (13727, 15257)]