71321264

素因数分解:

$2^4\times 7^2\times {\mathrm{90971}}^1$

素因数の和:90993

約数の個数: 30

約数和(自身を含む): 160747524

約数和(自身を除く): 89426260

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 90971, 181942, 363884, 636797, 727768, 1273594, 1455536, 2547188, 4457579, 5094376, 8915158, 10188752, 17830316, 35660632, 71321264]

約数ペア:

[(1, 71321264), (2, 35660632), (4, 17830316), (7, 10188752), (8, 8915158), (14, 5094376), (16, 4457579), (28, 2547188), (49, 1455536), (56, 1273594), (98, 727768), (112, 636797), (196, 363884), (392, 181942), (784, 90971)]