81738272

素因数分解:

$2^5\times 7^3\times {\mathrm{11}}^1\times {\mathrm{677}}^1$

素因数の和:719

約数の個数: 96

約数和(自身を含む): 205027200

約数和(自身を除く): 123288928

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 224, 308, 343, 352, 392, 539, 616, 677, 686, 784, 1078, 1232, 1354, 1372, 1568, 2156, 2464, 2708, 2744, 3773, 4312, 4739, 5416, 5488, 7447, 7546, 8624, 9478, 10832, 10976, 14894, 15092, 17248, 18956, 21664, 29788, 30184, 33173, 37912, 52129, 59576, 60368, 66346, 75824, 104258, 119152, 120736, 132692, 151648, 208516, 232211, 238304, 265384, 364903, 417032, 464422, 530768, 729806, 834064, 928844, 1061536, 1459612, 1668128, 1857688, 2554321, 2919224, 3715376, 5108642, 5838448, 7430752, 10217284, 11676896, 20434568, 40869136, 81738272]

約数ペア:

[(1, 81738272), (2, 40869136), (4, 20434568), (7, 11676896), (8, 10217284), (11, 7430752), (14, 5838448), (16, 5108642), (22, 3715376), (28, 2919224), (32, 2554321), (44, 1857688), (49, 1668128), (56, 1459612), (77, 1061536), (88, 928844), (98, 834064), (112, 729806), (154, 530768), (176, 464422), (196, 417032), (224, 364903), (308, 265384), (343, 238304), (352, 232211), (392, 208516), (539, 151648), (616, 132692), (677, 120736), (686, 119152), (784, 104258), (1078, 75824), (1232, 66346), (1354, 60368), (1372, 59576), (1568, 52129), (2156, 37912), (2464, 33173), (2708, 30184), (2744, 29788), (3773, 21664), (4312, 18956), (4739, 17248), (5416, 15092), (5488, 14894), (7447, 10976), (7546, 10832), (8624, 9478)]