1278627244

素因数分解:

$2^2\times {\mathrm{727}}^1\times {\mathrm{439693}}^1$

素因数の和:440424

約数の個数: 12

約数和(自身を含む): 2240680624

約数和(自身を除く): 962053380

約数列:

[1, 2, 4, 727, 1454, 2908, 439693, 879386, 1758772, 319656811, 639313622, 1278627244]

約数ペア:

[(1, 1278627244), (2, 639313622), (4, 319656811), (727, 1758772), (1454, 879386), (2908, 439693)]