291259228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{5601139}}^1$

素因数の和:5601156

約数の個数: 12

約数和(自身を含む): 548911720

約数和(自身を除く): 257652492

約数列:

[1, 2, 4, 13, 26, 52, 5601139, 11202278, 22404556, 72814807, 145629614, 291259228]

約数ペア:

[(1, 291259228), (2, 145629614), (4, 72814807), (13, 22404556), (26, 11202278), (52, 5601139)]