30991254

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{737887}}^1$

素因数の和:737899

約数の個数: 16

約数和(自身を含む): 70837248

約数和(自身を除く): 39845994

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 737887, 1475774, 2213661, 4427322, 5165209, 10330418, 15495627, 30991254]

約数ペア:

[(1, 30991254), (2, 15495627), (3, 10330418), (6, 5165209), (7, 4427322), (14, 2213661), (21, 1475774), (42, 737887)]