3978194

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{857}}^1$

素因数の和:1081

約数の個数: 16

約数和(自身を含む): 6548256

約数和(自身を除く): 2570062

約数列:

[1, 2, 11, 22, 211, 422, 857, 1714, 2321, 4642, 9427, 18854, 180827, 361654, 1989097, 3978194]

約数ペア:

[(1, 3978194), (2, 1989097), (11, 361654), (22, 180827), (211, 18854), (422, 9427), (857, 4642), (1714, 2321)]