71981868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{856927}}^1$

素因数の和:856941

約数の個数: 24

約数和(自身を含む): 191951872

約数和(自身を除く): 119970004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 856927, 1713854, 2570781, 3427708, 5141562, 5998489, 10283124, 11996978, 17995467, 23993956, 35990934, 71981868]

約数ペア:

[(1, 71981868), (2, 35990934), (3, 23993956), (4, 17995467), (6, 11996978), (7, 10283124), (12, 5998489), (14, 5141562), (21, 3427708), (28, 2570781), (42, 1713854), (84, 856927)]