128247784

素因数分解:

$2^3\times 7^1\times {\mathrm{2290139}}^1$

素因数の和:2290152

約数の個数: 16

約数和(自身を含む): 274816800

約数和(自身を除く): 146569016

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2290139, 4580278, 9160556, 16030973, 18321112, 32061946, 64123892, 128247784]

約数ペア:

[(1, 128247784), (2, 64123892), (4, 32061946), (7, 18321112), (8, 16030973), (14, 9160556), (28, 4580278), (56, 2290139)]