25286912

素因数分解:

$2^8\times 7^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 58670976

約数和(自身を除く): 33384064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 103, 112, 128, 137, 206, 224, 256, 274, 412, 448, 548, 721, 824, 896, 959, 1096, 1442, 1648, 1792, 1918, 2192, 2884, 3296, 3836, 4384, 5768, 6592, 7672, 8768, 11536, 13184, 14111, 15344, 17536, 23072, 26368, 28222, 30688, 35072, 46144, 56444, 61376, 92288, 98777, 112888, 122752, 184576, 197554, 225776, 245504, 395108, 451552, 790216, 903104, 1580432, 1806208, 3160864, 3612416, 6321728, 12643456, 25286912]

約数ペア:

[(1, 25286912), (2, 12643456), (4, 6321728), (7, 3612416), (8, 3160864), (14, 1806208), (16, 1580432), (28, 903104), (32, 790216), (56, 451552), (64, 395108), (103, 245504), (112, 225776), (128, 197554), (137, 184576), (206, 122752), (224, 112888), (256, 98777), (274, 92288), (412, 61376), (448, 56444), (548, 46144), (721, 35072), (824, 30688), (896, 28222), (959, 26368), (1096, 23072), (1442, 17536), (1648, 15344), (1792, 14111), (1918, 13184), (2192, 11536), (2884, 8768), (3296, 7672), (3836, 6592), (4384, 5768)]