157400656

素因数分解:

$2^4\times 7^1\times {\mathrm{1405363}}^1$

素因数の和:1405378

約数の個数: 20

約数和(自身を含む): 348530272

約数和(自身を除く): 191129616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1405363, 2810726, 5621452, 9837541, 11242904, 19675082, 22485808, 39350164, 78700328, 157400656]

約数ペア:

[(1, 157400656), (2, 78700328), (4, 39350164), (7, 22485808), (8, 19675082), (14, 11242904), (16, 9837541), (28, 5621452), (56, 2810726), (112, 1405363)]