81431012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{829}}^1\times {\mathrm{1889}}^1$

素因数の和:2735

約数の個数: 24

約数和(自身を含む): 153732600

約数和(自身を除く): 72301588

約数列:

[1, 2, 4, 13, 26, 52, 829, 1658, 1889, 3316, 3778, 7556, 10777, 21554, 24557, 43108, 49114, 98228, 1565981, 3131962, 6263924, 20357753, 40715506, 81431012]

約数ペア:

[(1, 81431012), (2, 40715506), (4, 20357753), (13, 6263924), (26, 3131962), (52, 1565981), (829, 98228), (1658, 49114), (1889, 43108), (3316, 24557), (3778, 21554), (7556, 10777)]