820748566

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{719}}^1$

素因数の和:885

約数の個数: 48

約数和(自身を含む): 1396180800

約数和(自身を除く): 575432234

約数列:

[1, 2, 11, 22, 53, 89, 106, 121, 178, 242, 583, 719, 979, 1166, 1438, 1958, 4717, 6413, 7909, 9434, 10769, 12826, 15818, 21538, 38107, 51887, 63991, 76214, 86999, 103774, 127982, 173998, 419177, 570757, 703901, 838354, 1141514, 1407802, 3391523, 4610947, 6783046, 7742911, 9221894, 15485822, 37306753, 74613506, 410374283, 820748566]

約数ペア:

[(1, 820748566), (2, 410374283), (11, 74613506), (22, 37306753), (53, 15485822), (89, 9221894), (106, 7742911), (121, 6783046), (178, 4610947), (242, 3391523), (583, 1407802), (719, 1141514), (979, 838354), (1166, 703901), (1438, 570757), (1958, 419177), (4717, 173998), (6413, 127982), (7909, 103774), (9434, 86999), (10769, 76214), (12826, 63991), (15818, 51887), (21538, 38107)]