213409784

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{811}}^1$

素因数の和:988

約数の個数: 64

約数和(自身を含む): 473948160

約数和(自身を除く): 260538376

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 127, 148, 254, 259, 296, 508, 518, 811, 889, 1016, 1036, 1622, 1778, 2072, 3244, 3556, 4699, 5677, 6488, 7112, 9398, 11354, 18796, 22708, 30007, 32893, 37592, 45416, 60014, 65786, 102997, 120028, 131572, 205994, 210049, 240056, 263144, 411988, 420098, 720979, 823976, 840196, 1441958, 1680392, 2883916, 3810889, 5767832, 7621778, 15243556, 26676223, 30487112, 53352446, 106704892, 213409784]

約数ペア:

[(1, 213409784), (2, 106704892), (4, 53352446), (7, 30487112), (8, 26676223), (14, 15243556), (28, 7621778), (37, 5767832), (56, 3810889), (74, 2883916), (127, 1680392), (148, 1441958), (254, 840196), (259, 823976), (296, 720979), (508, 420098), (518, 411988), (811, 263144), (889, 240056), (1016, 210049), (1036, 205994), (1622, 131572), (1778, 120028), (2072, 102997), (3244, 65786), (3556, 60014), (4699, 45416), (5677, 37592), (6488, 32893), (7112, 30007), (9398, 22708), (11354, 18796)]