161435988

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{23}}^2\times {\mathrm{173}}^1$

素因数の和:243

約数の個数: 162

約数和(自身を含む): 499103514

約数和(自身を除く): 337667526

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 49, 63, 69, 84, 92, 98, 126, 138, 147, 161, 173, 196, 207, 252, 276, 294, 322, 346, 414, 441, 483, 519, 529, 588, 644, 692, 828, 882, 966, 1038, 1058, 1127, 1211, 1449, 1557, 1587, 1764, 1932, 2076, 2116, 2254, 2422, 2898, 3114, 3174, 3381, 3633, 3703, 3979, 4508, 4761, 4844, 5796, 6228, 6348, 6762, 7266, 7406, 7958, 8477, 9522, 10143, 10899, 11109, 11937, 13524, 14532, 14812, 15916, 16954, 19044, 20286, 21798, 22218, 23874, 25431, 25921, 27853, 33327, 33908, 35811, 40572, 43596, 44436, 47748, 50862, 51842, 55706, 66654, 71622, 76293, 77763, 83559, 91517, 101724, 103684, 111412, 133308, 143244, 152586, 155526, 167118, 183034, 194971, 233289, 250677, 274551, 305172, 311052, 334236, 366068, 389942, 466578, 501354, 549102, 584913, 640619, 779884, 823653, 933156, 1002708, 1098204, 1169826, 1281238, 1647306, 1754739, 1921857, 2339652, 2562476, 3294612, 3509478, 3843714, 4484333, 5765571, 7018956, 7687428, 8968666, 11531142, 13452999, 17937332, 23062284, 26905998, 40358997, 53811996, 80717994, 161435988]

約数ペア:

[(1, 161435988), (2, 80717994), (3, 53811996), (4, 40358997), (6, 26905998), (7, 23062284), (9, 17937332), (12, 13452999), (14, 11531142), (18, 8968666), (21, 7687428), (23, 7018956), (28, 5765571), (36, 4484333), (42, 3843714), (46, 3509478), (49, 3294612), (63, 2562476), (69, 2339652), (84, 1921857), (92, 1754739), (98, 1647306), (126, 1281238), (138, 1169826), (147, 1098204), (161, 1002708), (173, 933156), (196, 823653), (207, 779884), (252, 640619), (276, 584913), (294, 549102), (322, 501354), (346, 466578), (414, 389942), (441, 366068), (483, 334236), (519, 311052), (529, 305172), (588, 274551), (644, 250677), (692, 233289), (828, 194971), (882, 183034), (966, 167118), (1038, 155526), (1058, 152586), (1127, 143244), (1211, 133308), (1449, 111412), (1557, 103684), (1587, 101724), (1764, 91517), (1932, 83559), (2076, 77763), (2116, 76293), (2254, 71622), (2422, 66654), (2898, 55706), (3114, 51842), (3174, 50862), (3381, 47748), (3633, 44436), (3703, 43596), (3979, 40572), (4508, 35811), (4761, 33908), (4844, 33327), (5796, 27853), (6228, 25921), (6348, 25431), (6762, 23874), (7266, 22218), (7406, 21798), (7958, 20286), (8477, 19044), (9522, 16954), (10143, 15916), (10899, 14812), (11109, 14532), (11937, 13524)]