77845768

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9721}}^1$

素因数の和:9758

約数の個数: 64

約数和(自身を含む): 195995520

約数和(自身を除く): 118149752

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 4004, 8008, 9721, 19442, 38884, 68047, 77768, 106931, 126373, 136094, 213862, 252746, 272188, 427724, 505492, 544376, 748517, 855448, 884611, 1010984, 1390103, 1497034, 1769222, 2780206, 2994068, 3538444, 5560412, 5988136, 7076888, 9730721, 11120824, 19461442, 38922884, 77845768]

約数ペア:

[(1, 77845768), (2, 38922884), (4, 19461442), (7, 11120824), (8, 9730721), (11, 7076888), (13, 5988136), (14, 5560412), (22, 3538444), (26, 2994068), (28, 2780206), (44, 1769222), (52, 1497034), (56, 1390103), (77, 1010984), (88, 884611), (91, 855448), (104, 748517), (143, 544376), (154, 505492), (182, 427724), (286, 272188), (308, 252746), (364, 213862), (572, 136094), (616, 126373), (728, 106931), (1001, 77768), (1144, 68047), (2002, 38884), (4004, 19442), (8008, 9721)]