197271648

素因数分解:

$2^5\times 3^2\times 7^3\times {\mathrm{1997}}^1$

素因数の和:2034

約数の個数: 144

約数和(自身を含む): 654544800

約数和(自身を除く): 457273152

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 72, 84, 96, 98, 112, 126, 144, 147, 168, 196, 224, 252, 288, 294, 336, 343, 392, 441, 504, 588, 672, 686, 784, 882, 1008, 1029, 1176, 1372, 1568, 1764, 1997, 2016, 2058, 2352, 2744, 3087, 3528, 3994, 4116, 4704, 5488, 5991, 6174, 7056, 7988, 8232, 10976, 11982, 12348, 13979, 14112, 15976, 16464, 17973, 23964, 24696, 27958, 31952, 32928, 35946, 41937, 47928, 49392, 55916, 63904, 71892, 83874, 95856, 97853, 98784, 111832, 125811, 143784, 167748, 191712, 195706, 223664, 251622, 287568, 293559, 335496, 391412, 447328, 503244, 575136, 587118, 670992, 684971, 782824, 880677, 1006488, 1174236, 1341984, 1369942, 1565648, 1761354, 2012976, 2054913, 2348472, 2739884, 3131296, 3522708, 4025952, 4109826, 4696944, 5479768, 6164739, 7045416, 8219652, 9393888, 10959536, 12329478, 14090832, 16439304, 21919072, 24658956, 28181664, 32878608, 49317912, 65757216, 98635824, 197271648]

約数ペア:

[(1, 197271648), (2, 98635824), (3, 65757216), (4, 49317912), (6, 32878608), (7, 28181664), (8, 24658956), (9, 21919072), (12, 16439304), (14, 14090832), (16, 12329478), (18, 10959536), (21, 9393888), (24, 8219652), (28, 7045416), (32, 6164739), (36, 5479768), (42, 4696944), (48, 4109826), (49, 4025952), (56, 3522708), (63, 3131296), (72, 2739884), (84, 2348472), (96, 2054913), (98, 2012976), (112, 1761354), (126, 1565648), (144, 1369942), (147, 1341984), (168, 1174236), (196, 1006488), (224, 880677), (252, 782824), (288, 684971), (294, 670992), (336, 587118), (343, 575136), (392, 503244), (441, 447328), (504, 391412), (588, 335496), (672, 293559), (686, 287568), (784, 251622), (882, 223664), (1008, 195706), (1029, 191712), (1176, 167748), (1372, 143784), (1568, 125811), (1764, 111832), (1997, 98784), (2016, 97853), (2058, 95856), (2352, 83874), (2744, 71892), (3087, 63904), (3528, 55916), (3994, 49392), (4116, 47928), (4704, 41937), (5488, 35946), (5991, 32928), (6174, 31952), (7056, 27958), (7988, 24696), (8232, 23964), (10976, 17973), (11982, 16464), (12348, 15976), (13979, 14112)]