251479312

素因数分解:

$2^4\times 7^1\times {\mathrm{2245351}}^1$

素因数の和:2245366

約数の個数: 20

約数和(自身を含む): 556847296

約数和(自身を除く): 305367984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2245351, 4490702, 8981404, 15717457, 17962808, 31434914, 35925616, 62869828, 125739656, 251479312]

約数ペア:

[(1, 251479312), (2, 125739656), (4, 62869828), (7, 35925616), (8, 31434914), (14, 17962808), (16, 15717457), (28, 8981404), (56, 4490702), (112, 2245351)]