289963128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1289}}^1$

素因数の和:1421

約数の個数: 128

約数和(自身を含む): 901555200

約数和(自身を除く): 611592072

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 103, 104, 156, 168, 182, 206, 273, 309, 312, 364, 412, 546, 618, 721, 728, 824, 1092, 1236, 1289, 1339, 1442, 2163, 2184, 2472, 2578, 2678, 2884, 3867, 4017, 4326, 5156, 5356, 5768, 7734, 8034, 8652, 9023, 9373, 10312, 10712, 15468, 16068, 16757, 17304, 18046, 18746, 27069, 28119, 30936, 32136, 33514, 36092, 37492, 50271, 54138, 56238, 67028, 72184, 74984, 100542, 108276, 112476, 117299, 132767, 134056, 201084, 216552, 224952, 234598, 265534, 351897, 398301, 402168, 469196, 531068, 703794, 796602, 929369, 938392, 1062136, 1407588, 1593204, 1725971, 1858738, 2788107, 2815176, 3186408, 3451942, 3717476, 5177913, 5576214, 6903884, 7434952, 10355826, 11152428, 12081797, 13807768, 20711652, 22304856, 24163594, 36245391, 41423304, 48327188, 72490782, 96654376, 144981564, 289963128]

約数ペア:

[(1, 289963128), (2, 144981564), (3, 96654376), (4, 72490782), (6, 48327188), (7, 41423304), (8, 36245391), (12, 24163594), (13, 22304856), (14, 20711652), (21, 13807768), (24, 12081797), (26, 11152428), (28, 10355826), (39, 7434952), (42, 6903884), (52, 5576214), (56, 5177913), (78, 3717476), (84, 3451942), (91, 3186408), (103, 2815176), (104, 2788107), (156, 1858738), (168, 1725971), (182, 1593204), (206, 1407588), (273, 1062136), (309, 938392), (312, 929369), (364, 796602), (412, 703794), (546, 531068), (618, 469196), (721, 402168), (728, 398301), (824, 351897), (1092, 265534), (1236, 234598), (1289, 224952), (1339, 216552), (1442, 201084), (2163, 134056), (2184, 132767), (2472, 117299), (2578, 112476), (2678, 108276), (2884, 100542), (3867, 74984), (4017, 72184), (4326, 67028), (5156, 56238), (5356, 54138), (5768, 50271), (7734, 37492), (8034, 36092), (8652, 33514), (9023, 32136), (9373, 30936), (10312, 28119), (10712, 27069), (15468, 18746), (16068, 18046), (16757, 17304)]