218564528

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3491}}^1$

素因数の和:3562

約数の個数: 80

約数和(自身を含む): 533465856

約数和(自身を除く): 314901328

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 43, 52, 56, 86, 91, 104, 112, 172, 182, 208, 301, 344, 364, 559, 602, 688, 728, 1118, 1204, 1456, 2236, 2408, 3491, 3913, 4472, 4816, 6982, 7826, 8944, 13964, 15652, 24437, 27928, 31304, 45383, 48874, 55856, 62608, 90766, 97748, 150113, 181532, 195496, 300226, 317681, 363064, 390992, 600452, 635362, 726128, 1050791, 1200904, 1270724, 1951469, 2101582, 2401808, 2541448, 3902938, 4203164, 5082896, 7805876, 8406328, 13660283, 15611752, 16812656, 27320566, 31223504, 54641132, 109282264, 218564528]

約数ペア:

[(1, 218564528), (2, 109282264), (4, 54641132), (7, 31223504), (8, 27320566), (13, 16812656), (14, 15611752), (16, 13660283), (26, 8406328), (28, 7805876), (43, 5082896), (52, 4203164), (56, 3902938), (86, 2541448), (91, 2401808), (104, 2101582), (112, 1951469), (172, 1270724), (182, 1200904), (208, 1050791), (301, 726128), (344, 635362), (364, 600452), (559, 390992), (602, 363064), (688, 317681), (728, 300226), (1118, 195496), (1204, 181532), (1456, 150113), (2236, 97748), (2408, 90766), (3491, 62608), (3913, 55856), (4472, 48874), (4816, 45383), (6982, 31304), (7826, 27928), (8944, 24437), (13964, 15652)]