247494247

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^3\times {\mathrm{19}}^1$

素因数の和:94

約数の個数: 72

約数和(自身を含む): 360855600

約数和(自身を除く): 113361353

約数列:

[1, 7, 11, 13, 19, 49, 77, 91, 121, 133, 143, 169, 209, 247, 539, 637, 847, 931, 1001, 1183, 1463, 1573, 1729, 1859, 2197, 2299, 2717, 3211, 5929, 7007, 8281, 10241, 11011, 12103, 13013, 15379, 16093, 19019, 20449, 22477, 24167, 29887, 35321, 41743, 77077, 91091, 107653, 112651, 133133, 143143, 157339, 169169, 209209, 247247, 265837, 292201, 388531, 459173, 1002001, 1184183, 1464463, 1730729, 1860859, 2045407, 2719717, 3214211, 5050903, 13026013, 19038019, 22499477, 35356321, 247494247]

約数ペア:

[(1, 247494247), (7, 35356321), (11, 22499477), (13, 19038019), (19, 13026013), (49, 5050903), (77, 3214211), (91, 2719717), (121, 2045407), (133, 1860859), (143, 1730729), (169, 1464463), (209, 1184183), (247, 1002001), (539, 459173), (637, 388531), (847, 292201), (931, 265837), (1001, 247247), (1183, 209209), (1463, 169169), (1573, 157339), (1729, 143143), (1859, 133133), (2197, 112651), (2299, 107653), (2717, 91091), (3211, 77077), (5929, 41743), (7007, 35321), (8281, 29887), (10241, 24167), (11011, 22477), (12103, 20449), (13013, 19019), (15379, 16093)]