128561426

素因数分解:

$2^1\times 7^1\times {\mathrm{809}}^1\times {\mathrm{11351}}^1$

素因数の和:12169

約数の個数: 16

約数和(自身を含む): 220682880

約数和(自身を除く): 92121454

約数列:

[1, 2, 7, 14, 809, 1618, 5663, 11326, 11351, 22702, 79457, 158914, 9182959, 18365918, 64280713, 128561426]

約数ペア:

[(1, 128561426), (2, 64280713), (7, 18365918), (14, 9182959), (809, 158914), (1618, 79457), (5663, 22702), (11326, 11351)]