78998238

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:155

約数の個数: 144

約数和(自身を含む): 209139840

約数和(自身を除く): 130141602

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 23, 33, 38, 46, 57, 66, 69, 83, 99, 114, 121, 138, 166, 171, 198, 207, 209, 242, 249, 253, 342, 363, 414, 418, 437, 498, 506, 627, 726, 747, 759, 874, 913, 1089, 1254, 1311, 1494, 1518, 1577, 1826, 1881, 1909, 2178, 2277, 2299, 2622, 2739, 2783, 3154, 3762, 3818, 3933, 4554, 4598, 4731, 4807, 5478, 5566, 5727, 6897, 7866, 8217, 8349, 9462, 9614, 10043, 11454, 13794, 14193, 14421, 16434, 16698, 17181, 17347, 20086, 20691, 20999, 25047, 28386, 28842, 30129, 34362, 34694, 36271, 41382, 41998, 43263, 50094, 52041, 52877, 60258, 62997, 72542, 86526, 90387, 104082, 105754, 108813, 125994, 156123, 158631, 180774, 188991, 190817, 217626, 230989, 312246, 317262, 326439, 377982, 381634, 398981, 461978, 475893, 572451, 652878, 692967, 797962, 951786, 1144902, 1196943, 1385934, 1717353, 2078901, 2393886, 3434706, 3590829, 4157802, 4388791, 7181658, 8777582, 13166373, 26332746, 39499119, 78998238]

約数ペア:

[(1, 78998238), (2, 39499119), (3, 26332746), (6, 13166373), (9, 8777582), (11, 7181658), (18, 4388791), (19, 4157802), (22, 3590829), (23, 3434706), (33, 2393886), (38, 2078901), (46, 1717353), (57, 1385934), (66, 1196943), (69, 1144902), (83, 951786), (99, 797962), (114, 692967), (121, 652878), (138, 572451), (166, 475893), (171, 461978), (198, 398981), (207, 381634), (209, 377982), (242, 326439), (249, 317262), (253, 312246), (342, 230989), (363, 217626), (414, 190817), (418, 188991), (437, 180774), (498, 158631), (506, 156123), (627, 125994), (726, 108813), (747, 105754), (759, 104082), (874, 90387), (913, 86526), (1089, 72542), (1254, 62997), (1311, 60258), (1494, 52877), (1518, 52041), (1577, 50094), (1826, 43263), (1881, 41998), (1909, 41382), (2178, 36271), (2277, 34694), (2299, 34362), (2622, 30129), (2739, 28842), (2783, 28386), (3154, 25047), (3762, 20999), (3818, 20691), (3933, 20086), (4554, 17347), (4598, 17181), (4731, 16698), (4807, 16434), (5478, 14421), (5566, 14193), (5727, 13794), (6897, 11454), (7866, 10043), (8217, 9614), (8349, 9462)]