261293312

素因数分解:

$2^8\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1049}}^1$

素因数の和:1211

約数の個数: 72

約数和(自身を含む): 600936000

約数和(自身を除く): 339642688

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 139, 224, 256, 278, 448, 556, 896, 973, 1049, 1112, 1792, 1946, 2098, 2224, 3892, 4196, 4448, 7343, 7784, 8392, 8896, 14686, 15568, 16784, 17792, 29372, 31136, 33568, 35584, 58744, 62272, 67136, 117488, 124544, 134272, 145811, 234976, 249088, 268544, 291622, 469952, 583244, 939904, 1020677, 1166488, 1879808, 2041354, 2332976, 4082708, 4665952, 8165416, 9331904, 16330832, 18663808, 32661664, 37327616, 65323328, 130646656, 261293312]

約数ペア:

[(1, 261293312), (2, 130646656), (4, 65323328), (7, 37327616), (8, 32661664), (14, 18663808), (16, 16330832), (28, 9331904), (32, 8165416), (56, 4665952), (64, 4082708), (112, 2332976), (128, 2041354), (139, 1879808), (224, 1166488), (256, 1020677), (278, 939904), (448, 583244), (556, 469952), (896, 291622), (973, 268544), (1049, 249088), (1112, 234976), (1792, 145811), (1946, 134272), (2098, 124544), (2224, 117488), (3892, 67136), (4196, 62272), (4448, 58744), (7343, 35584), (7784, 33568), (8392, 31136), (8896, 29372), (14686, 17792), (15568, 16784)]