81743398

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{26731}}^1$

素因数の和:26883

約数の個数: 16

約数和(自身を含む): 134729280

約数和(自身を除く): 52985882

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 26731, 53462, 294041, 588082, 3715609, 7431218, 40871699, 81743398]

約数ペア:

[(1, 81743398), (2, 40871699), (11, 7431218), (22, 3715609), (139, 588082), (278, 294041), (1529, 53462), (3058, 26731)]