81161886

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{2621}}^1$

素因数の和:3036

約数の個数: 32

約数和(自身を含む): 175317408

約数和(自身を除く): 94155522

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 397, 794, 1191, 2382, 2621, 5161, 5242, 7863, 10322, 15483, 15726, 30966, 34073, 68146, 102219, 204438, 1040537, 2081074, 3121611, 6243222, 13526981, 27053962, 40580943, 81161886]

約数ペア:

[(1, 81161886), (2, 40580943), (3, 27053962), (6, 13526981), (13, 6243222), (26, 3121611), (39, 2081074), (78, 1040537), (397, 204438), (794, 102219), (1191, 68146), (2382, 34073), (2621, 30966), (5161, 15726), (5242, 15483), (7863, 10322)]