12643456

素因数分解:

$2^7\times 7^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 29278080

約数和(自身を除く): 16634624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 103, 112, 128, 137, 206, 224, 274, 412, 448, 548, 721, 824, 896, 959, 1096, 1442, 1648, 1918, 2192, 2884, 3296, 3836, 4384, 5768, 6592, 7672, 8768, 11536, 13184, 14111, 15344, 17536, 23072, 28222, 30688, 46144, 56444, 61376, 92288, 98777, 112888, 122752, 197554, 225776, 395108, 451552, 790216, 903104, 1580432, 1806208, 3160864, 6321728, 12643456]

約数ペア:

[(1, 12643456), (2, 6321728), (4, 3160864), (7, 1806208), (8, 1580432), (14, 903104), (16, 790216), (28, 451552), (32, 395108), (56, 225776), (64, 197554), (103, 122752), (112, 112888), (128, 98777), (137, 92288), (206, 61376), (224, 56444), (274, 46144), (412, 30688), (448, 28222), (548, 23072), (721, 17536), (824, 15344), (896, 14111), (959, 13184), (1096, 11536), (1442, 8768), (1648, 7672), (1918, 6592), (2192, 5768), (2884, 4384), (3296, 3836)]