217724738

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 435388800

約数和(自身を除く): 217664062

約数列:

[1, 2, 7, 11, 14, 22, 43, 49, 61, 77, 86, 98, 121, 122, 154, 242, 301, 343, 427, 473, 539, 602, 671, 686, 847, 854, 946, 1078, 1342, 1694, 2107, 2623, 2989, 3311, 3773, 4214, 4697, 5203, 5246, 5929, 5978, 6622, 7381, 7546, 9394, 10406, 11858, 14749, 14762, 18361, 20923, 23177, 28853, 29498, 32879, 36421, 36722, 41503, 41846, 46354, 51667, 57706, 65758, 72842, 83006, 103334, 128527, 162239, 201971, 230153, 254947, 257054, 317383, 324478, 361669, 403942, 460306, 509894, 634766, 723338, 899689, 1413797, 1784629, 1799378, 2221681, 2531683, 2827594, 3569258, 4443362, 5063366, 9896579, 15551767, 19793158, 31103534, 108862369, 217724738]

約数ペア:

[(1, 217724738), (2, 108862369), (7, 31103534), (11, 19793158), (14, 15551767), (22, 9896579), (43, 5063366), (49, 4443362), (61, 3569258), (77, 2827594), (86, 2531683), (98, 2221681), (121, 1799378), (122, 1784629), (154, 1413797), (242, 899689), (301, 723338), (343, 634766), (427, 509894), (473, 460306), (539, 403942), (602, 361669), (671, 324478), (686, 317383), (847, 257054), (854, 254947), (946, 230153), (1078, 201971), (1342, 162239), (1694, 128527), (2107, 103334), (2623, 83006), (2989, 72842), (3311, 65758), (3773, 57706), (4214, 51667), (4697, 46354), (5203, 41846), (5246, 41503), (5929, 36722), (5978, 36421), (6622, 32879), (7381, 29498), (7546, 28853), (9394, 23177), (10406, 20923), (11858, 18361), (14749, 14762)]