51370319

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:160

約数の個数: 64

約数和(自身を含む): 75586560

約数和(自身を除く): 24216241

約数列:

[1, 7, 11, 13, 19, 37, 73, 77, 91, 133, 143, 209, 247, 259, 407, 481, 511, 703, 803, 949, 1001, 1387, 1463, 1729, 2701, 2717, 2849, 3367, 4921, 5291, 5621, 6643, 7733, 9139, 9709, 10439, 15257, 18031, 18907, 19019, 29711, 35113, 37037, 51319, 54131, 63973, 73073, 100529, 106799, 126217, 198341, 207977, 245791, 359233, 386243, 564509, 667147, 703703, 1388387, 2703701, 3951563, 4670029, 7338617, 51370319]

約数ペア:

[(1, 51370319), (7, 7338617), (11, 4670029), (13, 3951563), (19, 2703701), (37, 1388387), (73, 703703), (77, 667147), (91, 564509), (133, 386243), (143, 359233), (209, 245791), (247, 207977), (259, 198341), (407, 126217), (481, 106799), (511, 100529), (703, 73073), (803, 63973), (949, 54131), (1001, 51319), (1387, 37037), (1463, 35113), (1729, 29711), (2701, 19019), (2717, 18907), (2849, 18031), (3367, 15257), (4921, 10439), (5291, 9709), (5621, 9139), (6643, 7733)]