81664518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{80537}}^1$

素因数の和:80568

約数の個数: 24

約数和(自身を含む): 176861448

約数和(自身を除く): 95196930

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 80537, 161074, 241611, 483222, 1046981, 2093962, 3140943, 6281886, 13610753, 27221506, 40832259, 81664518]

約数ペア:

[(1, 81664518), (2, 40832259), (3, 27221506), (6, 13610753), (13, 6281886), (26, 3140943), (39, 2093962), (78, 1046981), (169, 483222), (338, 241611), (507, 161074), (1014, 80537)]