215685908

素因数分解:

$2^2\times {\mathrm{4001}}^1\times {\mathrm{13477}}^1$

素因数の和:17482

約数の個数: 12

約数和(自身を含む): 377572692

約数和(自身を除く): 161886784

約数列:

[1, 2, 4, 4001, 8002, 13477, 16004, 26954, 53908, 53921477, 107842954, 215685908]

約数ペア:

[(1, 215685908), (2, 107842954), (4, 53921477), (4001, 53908), (8002, 26954), (13477, 16004)]