191531197

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{78787}}^1$

素因数の和:78828

約数の個数: 16

約数和(自身を含む): 238254912

約数和(自身を除く): 46723715

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 78787, 866657, 1024231, 1339379, 11266541, 14733169, 17411927, 191531197]

約数ペア:

[(1, 191531197), (11, 17411927), (13, 14733169), (17, 11266541), (143, 1339379), (187, 1024231), (221, 866657), (2431, 78787)]