278344266746

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28439}}^1\times {\mathrm{53777}}^1$

素因数の和:82238

約数の個数: 32

約数和(自身を含む): 513893963520

約数和(自身を除く): 235549696774

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 28439, 53777, 56878, 107554, 199073, 369707, 376439, 398146, 699101, 739414, 752878, 1398202, 2587949, 4893707, 5175898, 9787414, 1529364103, 3058728206, 10705548721, 19881733339, 21411097442, 39763466678, 139172133373, 278344266746]

約数ペア:

[(1, 278344266746), (2, 139172133373), (7, 39763466678), (13, 21411097442), (14, 19881733339), (26, 10705548721), (91, 3058728206), (182, 1529364103), (28439, 9787414), (53777, 5175898), (56878, 4893707), (107554, 2587949), (199073, 1398202), (369707, 752878), (376439, 739414), (398146, 699101)]