391031888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1879961}}^1$

素因数の和:1879982

約数の個数: 20

約数和(自身を含む): 815903508

約数和(自身を除く): 424871620

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1879961, 3759922, 7519844, 15039688, 24439493, 30079376, 48878986, 97757972, 195515944, 391031888]

約数ペア:

[(1, 391031888), (2, 195515944), (4, 97757972), (8, 48878986), (13, 30079376), (16, 24439493), (26, 15039688), (52, 7519844), (104, 3759922), (208, 1879961)]