1261633184

素因数分解:

$2^5\times 7^2\times {\mathrm{804613}}^1$

素因数の和:804637

約数の個数: 36

約数和(自身を含む): 2889368874

約数和(自身を除く): 1627735690

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 804613, 1609226, 3218452, 5632291, 6436904, 11264582, 12873808, 22529164, 25747616, 39426037, 45058328, 78852074, 90116656, 157704148, 180233312, 315408296, 630816592, 1261633184]

約数ペア:

[(1, 1261633184), (2, 630816592), (4, 315408296), (7, 180233312), (8, 157704148), (14, 90116656), (16, 78852074), (28, 45058328), (32, 39426037), (49, 25747616), (56, 22529164), (98, 12873808), (112, 11264582), (196, 6436904), (224, 5632291), (392, 3218452), (784, 1609226), (1568, 804613)]