81290846

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{1409}}^1$

素因数の和:1748

約数の個数: 32

約数和(自身を含む): 150655680

約数和(自身を除く): 69364834

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 317, 634, 1409, 2219, 2818, 4121, 4438, 8242, 9863, 18317, 19726, 28847, 36634, 57694, 128219, 256438, 446653, 893306, 3126571, 5806489, 6253142, 11612978, 40645423, 81290846]

約数ペア:

[(1, 81290846), (2, 40645423), (7, 11612978), (13, 6253142), (14, 5806489), (26, 3126571), (91, 893306), (182, 446653), (317, 256438), (634, 128219), (1409, 57694), (2219, 36634), (2818, 28847), (4121, 19726), (4438, 18317), (8242, 9863)]