161204778

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{233}}^1$

素因数の和:301

約数の個数: 144

約数和(自身を含む): 448269120

約数和(自身を除く): 287064342

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 19, 21, 34, 38, 42, 51, 57, 63, 102, 114, 119, 126, 133, 153, 171, 233, 238, 266, 289, 306, 323, 342, 357, 399, 466, 578, 646, 699, 714, 798, 867, 969, 1071, 1197, 1398, 1631, 1734, 1938, 2023, 2097, 2142, 2261, 2394, 2601, 2907, 3262, 3961, 4046, 4194, 4427, 4522, 4893, 5202, 5491, 5814, 6069, 6783, 7922, 8854, 9786, 10982, 11883, 12138, 13281, 13566, 14679, 16473, 18207, 20349, 23766, 26562, 27727, 29358, 30989, 32946, 35649, 36414, 38437, 39843, 40698, 49419, 55454, 61978, 67337, 71298, 75259, 76874, 79686, 83181, 92967, 98838, 115311, 134674, 150518, 166362, 185934, 202011, 225777, 230622, 249543, 278901, 345933, 404022, 451554, 471359, 499086, 526813, 557802, 606033, 677331, 691866, 942718, 1053626, 1212066, 1279403, 1354662, 1414077, 1580439, 2558806, 2828154, 3160878, 3838209, 4242231, 4741317, 7676418, 8484462, 8955821, 9482634, 11514627, 17911642, 23029254, 26867463, 53734926, 80602389, 161204778]

約数ペア:

[(1, 161204778), (2, 80602389), (3, 53734926), (6, 26867463), (7, 23029254), (9, 17911642), (14, 11514627), (17, 9482634), (18, 8955821), (19, 8484462), (21, 7676418), (34, 4741317), (38, 4242231), (42, 3838209), (51, 3160878), (57, 2828154), (63, 2558806), (102, 1580439), (114, 1414077), (119, 1354662), (126, 1279403), (133, 1212066), (153, 1053626), (171, 942718), (233, 691866), (238, 677331), (266, 606033), (289, 557802), (306, 526813), (323, 499086), (342, 471359), (357, 451554), (399, 404022), (466, 345933), (578, 278901), (646, 249543), (699, 230622), (714, 225777), (798, 202011), (867, 185934), (969, 166362), (1071, 150518), (1197, 134674), (1398, 115311), (1631, 98838), (1734, 92967), (1938, 83181), (2023, 79686), (2097, 76874), (2142, 75259), (2261, 71298), (2394, 67337), (2601, 61978), (2907, 55454), (3262, 49419), (3961, 40698), (4046, 39843), (4194, 38437), (4427, 36414), (4522, 35649), (4893, 32946), (5202, 30989), (5491, 29358), (5814, 27727), (6069, 26562), (6783, 23766), (7922, 20349), (8854, 18207), (9786, 16473), (10982, 14679), (11883, 13566), (12138, 13281)]