16978178

素因数分解:

$2^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{4139}}^1$

素因数の和:4441

約数の個数: 16

約数和(自身を含む): 29211840

約数和(自身を除く): 12233662

約数列:

[1, 2, 7, 14, 293, 586, 2051, 4102, 4139, 8278, 28973, 57946, 1212727, 2425454, 8489089, 16978178]

約数ペア:

[(1, 16978178), (2, 8489089), (7, 2425454), (14, 1212727), (293, 57946), (586, 28973), (2051, 8278), (4102, 4139)]