20161958478

素因数分解:

$2^1\times 3^1\times {\mathrm{409}}^1\times {\mathrm{8215957}}^1$

素因数の和:8216371

約数の個数: 16

約数和(自身を含む): 40422513360

約数和(自身を除く): 20260554882

約数列:

[1, 2, 3, 6, 409, 818, 1227, 2454, 8215957, 16431914, 24647871, 49295742, 3360326413, 6720652826, 10080979239, 20161958478]

約数ペア:

[(1, 20161958478), (2, 10080979239), (3, 6720652826), (6, 3360326413), (409, 49295742), (818, 24647871), (1227, 16431914), (2454, 8215957)]