81912868

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{809}}^1\times {\mathrm{1489}}^1$

素因数の和:2319

約数の個数: 24

約数和(自身を含む): 152069400

約数和(自身を除く): 70156532

約数列:

[1, 2, 4, 17, 34, 68, 809, 1489, 1618, 2978, 3236, 5956, 13753, 25313, 27506, 50626, 55012, 101252, 1204601, 2409202, 4818404, 20478217, 40956434, 81912868]

約数ペア:

[(1, 81912868), (2, 40956434), (4, 20478217), (17, 4818404), (34, 2409202), (68, 1204601), (809, 101252), (1489, 55012), (1618, 50626), (2978, 27506), (3236, 25313), (5956, 13753)]