2139179903

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{1597}}^1\times {\mathrm{3137}}^1$

素因数の和:4802

約数の個数: 16

約数和(自身を含む): 2487203904

約数和(自身を除く): 348024001

約数列:

[1, 7, 61, 427, 1597, 3137, 11179, 21959, 97417, 191357, 681919, 1339499, 5009789, 35068523, 305597129, 2139179903]

約数ペア:

[(1, 2139179903), (7, 305597129), (61, 35068523), (427, 5009789), (1597, 1339499), (3137, 681919), (11179, 191357), (21959, 97417)]