81069934

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{9473}}^1$

素因数の和:9875

約数の個数: 16

約数和(自身を含む): 133014960

約数和(自身を除く): 51945026

約数列:

[1, 2, 11, 22, 389, 778, 4279, 8558, 9473, 18946, 104203, 208406, 3684997, 7369994, 40534967, 81069934]

約数ペア:

[(1, 81069934), (2, 40534967), (11, 7369994), (22, 3684997), (389, 208406), (778, 104203), (4279, 18946), (8558, 9473)]