140338709

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{6271}}^1$

素因数の和:6440

約数の個数: 16

約数和(自身を含む): 168591360

約数和(自身を除く): 28252651

約数列:

[1, 7, 23, 139, 161, 973, 3197, 6271, 22379, 43897, 144233, 871669, 1009631, 6101683, 20048387, 140338709]

約数ペア:

[(1, 140338709), (7, 20048387), (23, 6101683), (139, 1009631), (161, 871669), (973, 144233), (3197, 43897), (6271, 22379)]