261991257264

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{425189}}^1$

素因数の和:425603

約数の個数: 120

約数和(自身を含む): 801925347600

約数和(自身を除く): 539934090336

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 389, 396, 528, 778, 792, 1167, 1556, 1584, 2334, 3112, 3501, 4279, 4668, 6224, 7002, 8558, 9336, 12837, 14004, 17116, 18672, 25674, 28008, 34232, 38511, 51348, 56016, 68464, 77022, 102696, 154044, 205392, 308088, 425189, 616176, 850378, 1275567, 1700756, 2551134, 3401512, 3826701, 4677079, 5102268, 6803024, 7653402, 9354158, 10204536, 14031237, 15306804, 18708316, 20409072, 28062474, 30613608, 37416632, 42093711, 56124948, 61227216, 74833264, 84187422, 112249896, 165398521, 168374844, 224499792, 330797042, 336749688, 496195563, 661594084, 673499376, 992391126, 1323188168, 1488586689, 1819383731, 1984782252, 2646376336, 2977173378, 3638767462, 3969564504, 5458151193, 5954346756, 7277534924, 7939129008, 10916302386, 11908693512, 14555069848, 16374453579, 21832604772, 23817387024, 29110139696, 32748907158, 43665209544, 65497814316, 87330419088, 130995628632, 261991257264]

約数ペア:

[(1, 261991257264), (2, 130995628632), (3, 87330419088), (4, 65497814316), (6, 43665209544), (8, 32748907158), (9, 29110139696), (11, 23817387024), (12, 21832604772), (16, 16374453579), (18, 14555069848), (22, 11908693512), (24, 10916302386), (33, 7939129008), (36, 7277534924), (44, 5954346756), (48, 5458151193), (66, 3969564504), (72, 3638767462), (88, 2977173378), (99, 2646376336), (132, 1984782252), (144, 1819383731), (176, 1488586689), (198, 1323188168), (264, 992391126), (389, 673499376), (396, 661594084), (528, 496195563), (778, 336749688), (792, 330797042), (1167, 224499792), (1556, 168374844), (1584, 165398521), (2334, 112249896), (3112, 84187422), (3501, 74833264), (4279, 61227216), (4668, 56124948), (6224, 42093711), (7002, 37416632), (8558, 30613608), (9336, 28062474), (12837, 20409072), (14004, 18708316), (17116, 15306804), (18672, 14031237), (25674, 10204536), (28008, 9354158), (34232, 7653402), (38511, 6803024), (51348, 5102268), (56016, 4677079), (68464, 3826701), (77022, 3401512), (102696, 2551134), (154044, 1700756), (205392, 1275567), (308088, 850378), (425189, 616176)]