209608378

素因数分解:

$2^1\times 7^2\times {\mathrm{2138861}}^1$

素因数の和:2138877

約数の個数: 12

約数和(自身を含む): 365745402

約数和(自身を除く): 156137024

約数列:

[1, 2, 7, 14, 49, 98, 2138861, 4277722, 14972027, 29944054, 104804189, 209608378]

約数ペア:

[(1, 209608378), (2, 104804189), (7, 29944054), (14, 14972027), (49, 4277722), (98, 2138861)]