990025918

素因数分解:

$2^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{200329}}^1$

素因数の和:200691

約数の個数: 16

約数和(自身を含む): 1702003680

約数和(自身を除く): 711977762

約数列:

[1, 2, 7, 14, 353, 706, 2471, 4942, 200329, 400658, 1402303, 2804606, 70716137, 141432274, 495012959, 990025918]

約数ペア:

[(1, 990025918), (2, 495012959), (7, 141432274), (14, 70716137), (353, 2804606), (706, 1402303), (2471, 400658), (4942, 200329)]