208031334

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{907}}^1$

素因数の和:1089

約数の個数: 64

約数和(自身を含む): 490930176

約数和(自身を除く): 282898842

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 127, 129, 254, 258, 301, 381, 602, 762, 889, 903, 907, 1778, 1806, 1814, 2667, 2721, 5334, 5442, 5461, 6349, 10922, 12698, 16383, 19047, 32766, 38094, 38227, 39001, 76454, 78002, 114681, 115189, 117003, 229362, 230378, 234006, 273007, 345567, 546014, 691134, 806323, 819021, 1612646, 1638042, 2418969, 4837938, 4953127, 9906254, 14859381, 29718762, 34671889, 69343778, 104015667, 208031334]

約数ペア:

[(1, 208031334), (2, 104015667), (3, 69343778), (6, 34671889), (7, 29718762), (14, 14859381), (21, 9906254), (42, 4953127), (43, 4837938), (86, 2418969), (127, 1638042), (129, 1612646), (254, 819021), (258, 806323), (301, 691134), (381, 546014), (602, 345567), (762, 273007), (889, 234006), (903, 230378), (907, 229362), (1778, 117003), (1806, 115189), (1814, 114681), (2667, 78002), (2721, 76454), (5334, 39001), (5442, 38227), (5461, 38094), (6349, 32766), (10922, 19047), (12698, 16383)]