1280878144

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{219931}}^1$

素因数の和:219963

約数の個数: 56

約数和(自身を含む): 3128312768

約数和(自身を除く): 1847434624

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 224, 364, 416, 448, 728, 832, 1456, 2912, 5824, 219931, 439862, 879724, 1539517, 1759448, 2859103, 3079034, 3518896, 5718206, 6158068, 7037792, 11436412, 12316136, 14075584, 20013721, 22872824, 24632272, 40027442, 45745648, 49264544, 80054884, 91491296, 98529088, 160109768, 182982592, 320219536, 640439072, 1280878144]

約数ペア:

[(1, 1280878144), (2, 640439072), (4, 320219536), (7, 182982592), (8, 160109768), (13, 98529088), (14, 91491296), (16, 80054884), (26, 49264544), (28, 45745648), (32, 40027442), (52, 24632272), (56, 22872824), (64, 20013721), (91, 14075584), (104, 12316136), (112, 11436412), (182, 7037792), (208, 6158068), (224, 5718206), (364, 3518896), (416, 3079034), (448, 2859103), (728, 1759448), (832, 1539517), (1456, 879724), (2912, 439862), (5824, 219931)]