199021804

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{700781}}^1$

素因数の和:700856

約数の個数: 12

約数和(自身を含む): 353194128

約数和(自身を除く): 154172324

約数列:

[1, 2, 4, 71, 142, 284, 700781, 1401562, 2803124, 49755451, 99510902, 199021804]

約数ペア:

[(1, 199021804), (2, 99510902), (4, 49755451), (71, 2803124), (142, 1401562), (284, 700781)]