81907224

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{241}}^1$

素因数の和:298

約数の個数: 144

約数和(自身を含む): 254085480

約数和(自身を除く): 172178256

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 49, 51, 56, 68, 84, 98, 102, 119, 136, 147, 168, 196, 204, 238, 241, 289, 294, 357, 392, 408, 476, 482, 578, 588, 714, 723, 833, 867, 952, 964, 1156, 1176, 1428, 1446, 1666, 1687, 1734, 1928, 2023, 2312, 2499, 2856, 2892, 3332, 3374, 3468, 4046, 4097, 4998, 5061, 5784, 6069, 6664, 6748, 6936, 8092, 8194, 9996, 10122, 11809, 12138, 12291, 13496, 14161, 16184, 16388, 19992, 20244, 23618, 24276, 24582, 28322, 28679, 32776, 35427, 40488, 42483, 47236, 48552, 49164, 56644, 57358, 69649, 70854, 84966, 86037, 94472, 98328, 113288, 114716, 139298, 141708, 169932, 172074, 200753, 208947, 229432, 278596, 283416, 339864, 344148, 401506, 417894, 487543, 557192, 602259, 688296, 803012, 835788, 975086, 1204518, 1462629, 1606024, 1671576, 1950172, 2409036, 2925258, 3412801, 3900344, 4818072, 5850516, 6825602, 10238403, 11701032, 13651204, 20476806, 27302408, 40953612, 81907224]

約数ペア:

[(1, 81907224), (2, 40953612), (3, 27302408), (4, 20476806), (6, 13651204), (7, 11701032), (8, 10238403), (12, 6825602), (14, 5850516), (17, 4818072), (21, 3900344), (24, 3412801), (28, 2925258), (34, 2409036), (42, 1950172), (49, 1671576), (51, 1606024), (56, 1462629), (68, 1204518), (84, 975086), (98, 835788), (102, 803012), (119, 688296), (136, 602259), (147, 557192), (168, 487543), (196, 417894), (204, 401506), (238, 344148), (241, 339864), (289, 283416), (294, 278596), (357, 229432), (392, 208947), (408, 200753), (476, 172074), (482, 169932), (578, 141708), (588, 139298), (714, 114716), (723, 113288), (833, 98328), (867, 94472), (952, 86037), (964, 84966), (1156, 70854), (1176, 69649), (1428, 57358), (1446, 56644), (1666, 49164), (1687, 48552), (1734, 47236), (1928, 42483), (2023, 40488), (2312, 35427), (2499, 32776), (2856, 28679), (2892, 28322), (3332, 24582), (3374, 24276), (3468, 23618), (4046, 20244), (4097, 19992), (4998, 16388), (5061, 16184), (5784, 14161), (6069, 13496), (6664, 12291), (6748, 12138), (6936, 11809), (8092, 10122), (8194, 9996)]