199778828

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{2171509}}^1$

素因数の和:2171536

約数の個数: 12

約数和(自身を含む): 364813680

約数和(自身を除く): 165034852

約数列:

[1, 2, 4, 23, 46, 92, 2171509, 4343018, 8686036, 49944707, 99889414, 199778828]

約数ペア:

[(1, 199778828), (2, 99889414), (4, 49944707), (23, 8686036), (46, 4343018), (92, 2171509)]