217628376

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:433

約数の個数: 128

約数和(自身を含む): 645550080

約数和(自身を除く): 427921704

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 74, 84, 111, 148, 157, 168, 222, 223, 259, 296, 314, 444, 446, 471, 518, 628, 669, 777, 888, 892, 942, 1036, 1099, 1256, 1338, 1554, 1561, 1784, 1884, 2072, 2198, 2676, 3108, 3122, 3297, 3768, 4396, 4683, 5352, 5809, 6216, 6244, 6594, 8251, 8792, 9366, 11618, 12488, 13188, 16502, 17427, 18732, 23236, 24753, 26376, 33004, 34854, 35011, 37464, 40663, 46472, 49506, 57757, 66008, 69708, 70022, 81326, 99012, 105033, 115514, 121989, 139416, 140044, 162652, 173271, 198024, 210066, 231028, 243978, 245077, 280088, 325304, 346542, 420132, 462056, 487956, 490154, 693084, 735231, 840264, 975912, 980308, 1295407, 1386168, 1470462, 1960616, 2590814, 2940924, 3886221, 5181628, 5881848, 7772442, 9067849, 10363256, 15544884, 18135698, 27203547, 31089768, 36271396, 54407094, 72542792, 108814188, 217628376]

約数ペア:

[(1, 217628376), (2, 108814188), (3, 72542792), (4, 54407094), (6, 36271396), (7, 31089768), (8, 27203547), (12, 18135698), (14, 15544884), (21, 10363256), (24, 9067849), (28, 7772442), (37, 5881848), (42, 5181628), (56, 3886221), (74, 2940924), (84, 2590814), (111, 1960616), (148, 1470462), (157, 1386168), (168, 1295407), (222, 980308), (223, 975912), (259, 840264), (296, 735231), (314, 693084), (444, 490154), (446, 487956), (471, 462056), (518, 420132), (628, 346542), (669, 325304), (777, 280088), (888, 245077), (892, 243978), (942, 231028), (1036, 210066), (1099, 198024), (1256, 173271), (1338, 162652), (1554, 140044), (1561, 139416), (1784, 121989), (1884, 115514), (2072, 105033), (2198, 99012), (2676, 81326), (3108, 70022), (3122, 69708), (3297, 66008), (3768, 57757), (4396, 49506), (4683, 46472), (5352, 40663), (5809, 37464), (6216, 35011), (6244, 34854), (6594, 33004), (8251, 26376), (8792, 24753), (9366, 23236), (11618, 18732), (12488, 17427), (13188, 16502)]