81217192

素因数分解:

$2^3\times 7^1\times {\mathrm{1450307}}^1$

素因数の和:1450320

約数の個数: 16

約数和(自身を含む): 174036960

約数和(自身を除く): 92819768

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1450307, 2900614, 5801228, 10152149, 11602456, 20304298, 40608596, 81217192]

約数ペア:

[(1, 81217192), (2, 40608596), (4, 20304298), (7, 11602456), (8, 10152149), (14, 5801228), (28, 2900614), (56, 1450307)]