28520856

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1451}}^1$

素因数の和:1486

約数の個数: 128

約数和(自身を含む): 97574400

約数和(自身を除く): 69053544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 52, 54, 56, 63, 72, 78, 84, 91, 104, 108, 117, 126, 156, 168, 182, 189, 216, 234, 252, 273, 312, 351, 364, 378, 468, 504, 546, 702, 728, 756, 819, 936, 1092, 1404, 1451, 1512, 1638, 2184, 2457, 2808, 2902, 3276, 4353, 4914, 5804, 6552, 8706, 9828, 10157, 11608, 13059, 17412, 18863, 19656, 20314, 26118, 30471, 34824, 37726, 39177, 40628, 52236, 56589, 60942, 75452, 78354, 81256, 91413, 104472, 113178, 121884, 132041, 150904, 156708, 169767, 182826, 226356, 243768, 264082, 274239, 313416, 339534, 365652, 396123, 452712, 509301, 528164, 548478, 679068, 731304, 792246, 1018602, 1056328, 1096956, 1188369, 1358136, 1584492, 2037204, 2193912, 2376738, 3168984, 3565107, 4074408, 4753476, 7130214, 9506952, 14260428, 28520856]

約数ペア:

[(1, 28520856), (2, 14260428), (3, 9506952), (4, 7130214), (6, 4753476), (7, 4074408), (8, 3565107), (9, 3168984), (12, 2376738), (13, 2193912), (14, 2037204), (18, 1584492), (21, 1358136), (24, 1188369), (26, 1096956), (27, 1056328), (28, 1018602), (36, 792246), (39, 731304), (42, 679068), (52, 548478), (54, 528164), (56, 509301), (63, 452712), (72, 396123), (78, 365652), (84, 339534), (91, 313416), (104, 274239), (108, 264082), (117, 243768), (126, 226356), (156, 182826), (168, 169767), (182, 156708), (189, 150904), (216, 132041), (234, 121884), (252, 113178), (273, 104472), (312, 91413), (351, 81256), (364, 78354), (378, 75452), (468, 60942), (504, 56589), (546, 52236), (702, 40628), (728, 39177), (756, 37726), (819, 34824), (936, 30471), (1092, 26118), (1404, 20314), (1451, 19656), (1512, 18863), (1638, 17412), (2184, 13059), (2457, 11608), (2808, 10157), (2902, 9828), (3276, 8706), (4353, 6552), (4914, 5804)]