81977916

素因数分解:

$2^2\times 3^1\times {\mathrm{163}}^1\times {\mathrm{41911}}^1$

素因数の和:42081

約数の個数: 24

約数和(自身を含む): 192459904

約数和(自身を除く): 110481988

約数列:

[1, 2, 3, 4, 6, 12, 163, 326, 489, 652, 978, 1956, 41911, 83822, 125733, 167644, 251466, 502932, 6831493, 13662986, 20494479, 27325972, 40988958, 81977916]

約数ペア:

[(1, 81977916), (2, 40988958), (3, 27325972), (4, 20494479), (6, 13662986), (12, 6831493), (163, 502932), (326, 251466), (489, 167644), (652, 125733), (978, 83822), (1956, 41911)]