16991086

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{11783}}^1$

素因数の和:11895

約数の個数: 16

約数和(自身を含む): 29412864

約数和(自身を除く): 12421778

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 11783, 23566, 82481, 164962, 1213649, 2427298, 8495543, 16991086]

約数ペア:

[(1, 16991086), (2, 8495543), (7, 2427298), (14, 1213649), (103, 164962), (206, 82481), (721, 23566), (1442, 11783)]