81220764674

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{2003}}^1$

素因数の和:2320

約数の個数: 96

約数和(自身を含む): 149075764416

約数和(自身を除く): 67854999742

約数列:

[1, 2, 7, 14, 37, 49, 53, 74, 98, 106, 211, 259, 371, 422, 518, 742, 1477, 1813, 1961, 2003, 2597, 2954, 3626, 3922, 4006, 5194, 7807, 10339, 11183, 13727, 14021, 15614, 20678, 22366, 27454, 28042, 54649, 74111, 78281, 96089, 98147, 106159, 109298, 148222, 156562, 192178, 196294, 212318, 382543, 413771, 422633, 518777, 547967, 743113, 765086, 827542, 845266, 1037554, 1095934, 1486226, 2896397, 2958431, 3631439, 3927883, 5201791, 5792794, 5916862, 7262878, 7855766, 10403582, 15637421, 20274779, 20709017, 22399549, 27495181, 31274842, 40549558, 41418034, 44799098, 54990362, 109461947, 156796843, 192466267, 218923894, 313593686, 384932534, 766233629, 828783313, 1097577901, 1532467258, 1657566626, 2195155802, 5801483191, 11602966382, 40610382337, 81220764674]

約数ペア:

[(1, 81220764674), (2, 40610382337), (7, 11602966382), (14, 5801483191), (37, 2195155802), (49, 1657566626), (53, 1532467258), (74, 1097577901), (98, 828783313), (106, 766233629), (211, 384932534), (259, 313593686), (371, 218923894), (422, 192466267), (518, 156796843), (742, 109461947), (1477, 54990362), (1813, 44799098), (1961, 41418034), (2003, 40549558), (2597, 31274842), (2954, 27495181), (3626, 22399549), (3922, 20709017), (4006, 20274779), (5194, 15637421), (7807, 10403582), (10339, 7855766), (11183, 7262878), (13727, 5916862), (14021, 5792794), (15614, 5201791), (20678, 3927883), (22366, 3631439), (27454, 2958431), (28042, 2896397), (54649, 1486226), (74111, 1095934), (78281, 1037554), (96089, 845266), (98147, 827542), (106159, 765086), (109298, 743113), (148222, 547967), (156562, 518777), (192178, 422633), (196294, 413771), (212318, 382543)]