81990242

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{13697}}^1$

素因数の和:13813

約数の個数: 16

約数和(自身を含む): 127720152

約数和(自身を除く): 45729910

約数列:

[1, 2, 41, 73, 82, 146, 2993, 5986, 13697, 27394, 561577, 999881, 1123154, 1999762, 40995121, 81990242]

約数ペア:

[(1, 81990242), (2, 40995121), (41, 1999762), (73, 1123154), (82, 999881), (146, 561577), (2993, 27394), (5986, 13697)]