261998856

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:500

約数の個数: 192

約数和(自身を含む): 859622400

約数和(自身を除く): 597623544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 31, 36, 41, 42, 56, 62, 63, 72, 82, 84, 93, 123, 124, 126, 164, 168, 186, 217, 246, 248, 252, 279, 287, 328, 369, 372, 409, 434, 492, 504, 558, 574, 651, 738, 744, 818, 861, 868, 984, 1116, 1148, 1227, 1271, 1302, 1476, 1636, 1722, 1736, 1953, 2232, 2296, 2454, 2542, 2583, 2604, 2863, 2952, 3272, 3444, 3681, 3813, 3906, 4908, 5084, 5166, 5208, 5726, 6888, 7362, 7626, 7812, 8589, 8897, 9816, 10168, 10332, 11439, 11452, 12679, 14724, 15252, 15624, 16769, 17178, 17794, 20664, 22878, 22904, 25358, 25767, 26691, 29448, 30504, 33538, 34356, 35588, 38037, 45756, 50307, 50716, 51534, 53382, 67076, 68712, 71176, 76074, 80073, 88753, 91512, 100614, 101432, 103068, 106764, 114111, 117383, 134152, 150921, 152148, 160146, 177506, 201228, 206136, 213528, 228222, 234766, 266259, 301842, 304296, 320292, 352149, 355012, 402456, 456444, 469532, 519839, 532518, 603684, 640584, 704298, 710024, 798777, 912888, 939064, 1039678, 1056447, 1065036, 1207368, 1408596, 1559517, 1597554, 2079356, 2112894, 2130072, 2817192, 3119034, 3195108, 3638873, 4158712, 4225788, 4678551, 6238068, 6390216, 7277746, 8451576, 9357102, 10916619, 12476136, 14555492, 18714204, 21833238, 29110984, 32749857, 37428408, 43666476, 65499714, 87332952, 130999428, 261998856]

約数ペア:

[(1, 261998856), (2, 130999428), (3, 87332952), (4, 65499714), (6, 43666476), (7, 37428408), (8, 32749857), (9, 29110984), (12, 21833238), (14, 18714204), (18, 14555492), (21, 12476136), (24, 10916619), (28, 9357102), (31, 8451576), (36, 7277746), (41, 6390216), (42, 6238068), (56, 4678551), (62, 4225788), (63, 4158712), (72, 3638873), (82, 3195108), (84, 3119034), (93, 2817192), (123, 2130072), (124, 2112894), (126, 2079356), (164, 1597554), (168, 1559517), (186, 1408596), (217, 1207368), (246, 1065036), (248, 1056447), (252, 1039678), (279, 939064), (287, 912888), (328, 798777), (369, 710024), (372, 704298), (409, 640584), (434, 603684), (492, 532518), (504, 519839), (558, 469532), (574, 456444), (651, 402456), (738, 355012), (744, 352149), (818, 320292), (861, 304296), (868, 301842), (984, 266259), (1116, 234766), (1148, 228222), (1227, 213528), (1271, 206136), (1302, 201228), (1476, 177506), (1636, 160146), (1722, 152148), (1736, 150921), (1953, 134152), (2232, 117383), (2296, 114111), (2454, 106764), (2542, 103068), (2583, 101432), (2604, 100614), (2863, 91512), (2952, 88753), (3272, 80073), (3444, 76074), (3681, 71176), (3813, 68712), (3906, 67076), (4908, 53382), (5084, 51534), (5166, 50716), (5208, 50307), (5726, 45756), (6888, 38037), (7362, 35588), (7626, 34356), (7812, 33538), (8589, 30504), (8897, 29448), (9816, 26691), (10168, 25767), (10332, 25358), (11439, 22904), (11452, 22878), (12679, 20664), (14724, 17794), (15252, 17178), (15624, 16769)]