643467694

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{839}}^1$

素因数の和:1128

約数の個数: 32

約数和(自身を含む): 1016064000

約数和(自身を除く): 372596306

約数列:

[1, 2, 41, 47, 82, 94, 199, 398, 839, 1678, 1927, 3854, 8159, 9353, 16318, 18706, 34399, 39433, 68798, 78866, 166961, 333922, 383473, 766946, 1616753, 3233506, 6845401, 7847167, 13690802, 15694334, 321733847, 643467694]

約数ペア:

[(1, 643467694), (2, 321733847), (41, 15694334), (47, 13690802), (82, 7847167), (94, 6845401), (199, 3233506), (398, 1616753), (839, 766946), (1678, 383473), (1927, 333922), (3854, 166961), (8159, 78866), (9353, 68798), (16318, 39433), (18706, 34399)]