178712768

素因数分解:

$2^6\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:123

約数の個数: 112

約数和(自身を含む): 406237440

約数和(自身を除く): 227524672

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 41, 52, 62, 64, 82, 104, 124, 164, 169, 208, 248, 328, 338, 403, 416, 496, 533, 656, 676, 806, 832, 992, 1066, 1271, 1312, 1352, 1612, 1984, 2132, 2197, 2542, 2624, 2704, 3224, 4264, 4394, 5084, 5239, 5408, 6448, 6929, 8528, 8788, 10168, 10478, 10816, 12896, 13858, 16523, 17056, 17576, 20336, 20956, 25792, 27716, 33046, 34112, 35152, 40672, 41912, 55432, 66092, 68107, 70304, 81344, 83824, 90077, 110864, 132184, 136214, 140608, 167648, 180154, 214799, 221728, 264368, 272428, 335296, 360308, 429598, 443456, 528736, 544856, 720616, 859196, 1057472, 1089712, 1441232, 1718392, 2179424, 2792387, 2882464, 3436784, 4358848, 5584774, 5764928, 6873568, 11169548, 13747136, 22339096, 44678192, 89356384, 178712768]

約数ペア:

[(1, 178712768), (2, 89356384), (4, 44678192), (8, 22339096), (13, 13747136), (16, 11169548), (26, 6873568), (31, 5764928), (32, 5584774), (41, 4358848), (52, 3436784), (62, 2882464), (64, 2792387), (82, 2179424), (104, 1718392), (124, 1441232), (164, 1089712), (169, 1057472), (208, 859196), (248, 720616), (328, 544856), (338, 528736), (403, 443456), (416, 429598), (496, 360308), (533, 335296), (656, 272428), (676, 264368), (806, 221728), (832, 214799), (992, 180154), (1066, 167648), (1271, 140608), (1312, 136214), (1352, 132184), (1612, 110864), (1984, 90077), (2132, 83824), (2197, 81344), (2542, 70304), (2624, 68107), (2704, 66092), (3224, 55432), (4264, 41912), (4394, 40672), (5084, 35152), (5239, 34112), (5408, 33046), (6448, 27716), (6929, 25792), (8528, 20956), (8788, 20336), (10168, 17576), (10478, 17056), (10816, 16523), (12896, 13858)]