389804398

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{20029}}^1$

素因数の和:20331

約数の個数: 16

約数和(自身を含む): 602822880

約数和(自身を除く): 213018482

約数列:

[1, 2, 37, 74, 263, 526, 9731, 19462, 20029, 40058, 741073, 1482146, 5267627, 10535254, 194902199, 389804398]

約数ペア:

[(1, 389804398), (2, 194902199), (37, 10535254), (74, 5267627), (263, 1482146), (526, 741073), (9731, 40058), (19462, 20029)]