81039728

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{9397}}^1$

素因数の和:9430

約数の個数: 60

約数和(自身を含む): 199275192

約数和(自身を除く): 118235464

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 308, 392, 539, 616, 784, 1078, 1232, 2156, 4312, 8624, 9397, 18794, 37588, 65779, 75176, 103367, 131558, 150352, 206734, 263116, 413468, 460453, 526232, 723569, 826936, 920906, 1052464, 1447138, 1653872, 1841812, 2894276, 3683624, 5064983, 5788552, 7367248, 10129966, 11577104, 20259932, 40519864, 81039728]

約数ペア:

[(1, 81039728), (2, 40519864), (4, 20259932), (7, 11577104), (8, 10129966), (11, 7367248), (14, 5788552), (16, 5064983), (22, 3683624), (28, 2894276), (44, 1841812), (49, 1653872), (56, 1447138), (77, 1052464), (88, 920906), (98, 826936), (112, 723569), (154, 526232), (176, 460453), (196, 413468), (308, 263116), (392, 206734), (539, 150352), (616, 131558), (784, 103367), (1078, 75176), (1232, 65779), (2156, 37588), (4312, 18794), (8624, 9397)]