78840294

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 176541120

約数和(自身を除く): 97700826

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 89, 123, 178, 246, 267, 277, 533, 534, 554, 831, 1066, 1157, 1599, 1662, 2314, 3198, 3471, 3601, 3649, 6942, 7202, 7298, 10803, 10947, 11357, 21606, 21894, 22714, 24653, 34071, 47437, 49306, 68142, 73959, 94874, 142311, 147641, 147918, 284622, 295282, 320489, 442923, 640978, 885846, 961467, 1010773, 1922934, 2021546, 3032319, 6064638, 13140049, 26280098, 39420147, 78840294]

約数ペア:

[(1, 78840294), (2, 39420147), (3, 26280098), (6, 13140049), (13, 6064638), (26, 3032319), (39, 2021546), (41, 1922934), (78, 1010773), (82, 961467), (89, 885846), (123, 640978), (178, 442923), (246, 320489), (267, 295282), (277, 284622), (533, 147918), (534, 147641), (554, 142311), (831, 94874), (1066, 73959), (1157, 68142), (1599, 49306), (1662, 47437), (2314, 34071), (3198, 24653), (3471, 22714), (3601, 21894), (3649, 21606), (6942, 11357), (7202, 10947), (7298, 10803)]