12778346399

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1071919}}^1$

素因数の和:1072070

約数の個数: 16

約数和(自身を含む): 15847265280

約数和(自身を除く): 3068918881

約数列:

[1, 7, 13, 91, 131, 917, 1703, 11921, 1071919, 7503433, 13934947, 97544629, 140421389, 982949723, 1825478057, 12778346399]

約数ペア:

[(1, 12778346399), (7, 1825478057), (13, 982949723), (91, 140421389), (131, 97544629), (917, 13934947), (1703, 7503433), (11921, 1071919)]