1280454908

素因数分解:

$2^2\times {\mathrm{503}}^1\times {\mathrm{636409}}^1$

素因数の和:636916

約数の個数: 12

約数和(自身を含む): 2245254480

約数和(自身を除く): 964799572

約数列:

[1, 2, 4, 503, 1006, 2012, 636409, 1272818, 2545636, 320113727, 640227454, 1280454908]

約数ペア:

[(1, 1280454908), (2, 640227454), (4, 320113727), (503, 2545636), (1006, 1272818), (2012, 636409)]