2778993854

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{1009}}^1$

素因数の和:1477

約数の個数: 64

約数和(自身を含む): 5287228800

約数和(自身を除く): 2508234946

約数列:

[1, 2, 7, 13, 14, 26, 37, 74, 91, 182, 259, 409, 481, 518, 818, 962, 1009, 2018, 2863, 3367, 5317, 5726, 6734, 7063, 10634, 13117, 14126, 15133, 26234, 30266, 37219, 37333, 74438, 74666, 91819, 105931, 183638, 196729, 211862, 261331, 393458, 412681, 485329, 522662, 825362, 970658, 1377103, 2754206, 2888767, 3397303, 5364853, 5777534, 6794606, 10729706, 15269197, 30538394, 37553971, 75107942, 106884379, 198499561, 213768758, 396999122, 1389496927, 2778993854]

約数ペア:

[(1, 2778993854), (2, 1389496927), (7, 396999122), (13, 213768758), (14, 198499561), (26, 106884379), (37, 75107942), (74, 37553971), (91, 30538394), (182, 15269197), (259, 10729706), (409, 6794606), (481, 5777534), (518, 5364853), (818, 3397303), (962, 2888767), (1009, 2754206), (2018, 1377103), (2863, 970658), (3367, 825362), (5317, 522662), (5726, 485329), (6734, 412681), (7063, 393458), (10634, 261331), (13117, 211862), (14126, 196729), (15133, 183638), (26234, 105931), (30266, 91819), (37219, 74666), (37333, 74438)]