81242156

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{5107}}^1$

素因数の和:5249

約数の個数: 24

約数和(自身を含む): 147171696

約数和(自身を除く): 65929540

約数列:

[1, 2, 4, 41, 82, 97, 164, 194, 388, 3977, 5107, 7954, 10214, 15908, 20428, 209387, 418774, 495379, 837548, 990758, 1981516, 20310539, 40621078, 81242156]

約数ペア:

[(1, 81242156), (2, 40621078), (4, 20310539), (41, 1981516), (82, 990758), (97, 837548), (164, 495379), (194, 418774), (388, 209387), (3977, 20428), (5107, 15908), (7954, 10214)]