81196518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1040981}}^1$

素因数の和:1040999

約数の個数: 16

約数和(自身を含む): 174884976

約数和(自身を除く): 93688458

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1040981, 2081962, 3122943, 6245886, 13532753, 27065506, 40598259, 81196518]

約数ペア:

[(1, 81196518), (2, 40598259), (3, 27065506), (6, 13532753), (13, 6245886), (26, 3122943), (39, 2081962), (78, 1040981)]