9718709

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 14172480

約数和(自身を除く): 4453771

約数列:

[1, 7, 11, 13, 19, 49, 73, 77, 91, 133, 143, 209, 247, 511, 539, 637, 803, 931, 949, 1001, 1387, 1463, 1729, 2717, 3577, 5621, 6643, 7007, 9709, 10241, 10439, 12103, 15257, 18031, 19019, 39347, 46501, 67963, 73073, 106799, 126217, 133133, 198341, 511511, 747593, 883519, 1388387, 9718709]

約数ペア:

[(1, 9718709), (7, 1388387), (11, 883519), (13, 747593), (19, 511511), (49, 198341), (73, 133133), (77, 126217), (91, 106799), (133, 73073), (143, 67963), (209, 46501), (247, 39347), (511, 19019), (539, 18031), (637, 15257), (803, 12103), (931, 10439), (949, 10241), (1001, 9709), (1387, 7007), (1463, 6643), (1729, 5621), (2717, 3577)]