78808004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1791091}}^1$

素因数の和:1791106

約数の個数: 12

約数和(自身を含む): 150451728

約数和(自身を除く): 71643724

約数列:

[1, 2, 4, 11, 22, 44, 1791091, 3582182, 7164364, 19702001, 39404002, 78808004]

約数ペア:

[(1, 78808004), (2, 39404002), (4, 19702001), (11, 7164364), (22, 3582182), (44, 1791091)]