217872018

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14779}}^1$

素因数の和:14813

約数の個数: 80

約数和(自身を含む): 600895680

約数和(自身を除く): 383023662

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 81, 91, 117, 126, 162, 182, 189, 234, 273, 351, 378, 546, 567, 702, 819, 1053, 1134, 1638, 2106, 2457, 4914, 7371, 14742, 14779, 29558, 44337, 88674, 103453, 133011, 192127, 206906, 266022, 310359, 384254, 399033, 576381, 620718, 798066, 931077, 1152762, 1197099, 1344889, 1729143, 1862154, 2394198, 2689778, 2793231, 3458286, 4034667, 5187429, 5586462, 8069334, 8379693, 10374858, 12104001, 15562287, 16759386, 24208002, 31124574, 36312003, 72624006, 108936009, 217872018]

約数ペア:

[(1, 217872018), (2, 108936009), (3, 72624006), (6, 36312003), (7, 31124574), (9, 24208002), (13, 16759386), (14, 15562287), (18, 12104001), (21, 10374858), (26, 8379693), (27, 8069334), (39, 5586462), (42, 5187429), (54, 4034667), (63, 3458286), (78, 2793231), (81, 2689778), (91, 2394198), (117, 1862154), (126, 1729143), (162, 1344889), (182, 1197099), (189, 1152762), (234, 931077), (273, 798066), (351, 620718), (378, 576381), (546, 399033), (567, 384254), (702, 310359), (819, 266022), (1053, 206906), (1134, 192127), (1638, 133011), (2106, 103453), (2457, 88674), (4914, 44337), (7371, 29558), (14742, 14779)]