1280664004

素因数分解:

$2^2\times {\mathrm{1427}}^1\times {\mathrm{224363}}^1$

素因数の和:225794

約数の個数: 12

約数和(自身を含む): 2242742544

約数和(自身を除く): 962078540

約数列:

[1, 2, 4, 1427, 2854, 5708, 224363, 448726, 897452, 320166001, 640332002, 1280664004]

約数ペア:

[(1, 1280664004), (2, 640332002), (4, 320166001), (1427, 897452), (2854, 448726), (5708, 224363)]