68829761

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:115

約数の個数: 72

約数和(自身を含む): 101888640

約数和(自身を除く): 33058879

約数列:

[1, 7, 11, 13, 19, 47, 49, 77, 91, 121, 133, 143, 209, 247, 329, 517, 539, 611, 637, 847, 893, 931, 1001, 1463, 1573, 1729, 2299, 2303, 2717, 3619, 4277, 5687, 5929, 6251, 6721, 7007, 9823, 10241, 11011, 11609, 12103, 16093, 19019, 25333, 29887, 29939, 39809, 43757, 47047, 68761, 73931, 77077, 81263, 108053, 112651, 127699, 133133, 209209, 278663, 329329, 481327, 517517, 568841, 756371, 893893, 1404689, 1464463, 3622619, 5294597, 6257251, 9832823, 68829761]

約数ペア:

[(1, 68829761), (7, 9832823), (11, 6257251), (13, 5294597), (19, 3622619), (47, 1464463), (49, 1404689), (77, 893893), (91, 756371), (121, 568841), (133, 517517), (143, 481327), (209, 329329), (247, 278663), (329, 209209), (517, 133133), (539, 127699), (611, 112651), (637, 108053), (847, 81263), (893, 77077), (931, 73931), (1001, 68761), (1463, 47047), (1573, 43757), (1729, 39809), (2299, 29939), (2303, 29887), (2717, 25333), (3619, 19019), (4277, 16093), (5687, 12103), (5929, 11609), (6251, 11011), (6721, 10241), (7007, 9823)]