199943149

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1\times {\mathrm{1361}}^1$

素因数の和:2076

約数の個数: 16

約数和(自身を含む): 236399616

約数和(自身を除く): 36456467

約数列:

[1, 7, 31, 217, 677, 1361, 4739, 9527, 20987, 42191, 146909, 295337, 921397, 6449779, 28563307, 199943149]

約数ペア:

[(1, 199943149), (7, 28563307), (31, 6449779), (217, 921397), (677, 295337), (1361, 146909), (4739, 42191), (9527, 20987)]