81642722

素因数分解:

$2^1\times 7^2\times {\mathrm{571}}^1\times {\mathrm{1459}}^1$

素因数の和:2046

約数の個数: 24

約数和(自身を含む): 142805520

約数和(自身を除く): 61162798

約数列:

[1, 2, 7, 14, 49, 98, 571, 1142, 1459, 2918, 3997, 7994, 10213, 20426, 27979, 55958, 71491, 142982, 833089, 1666178, 5831623, 11663246, 40821361, 81642722]

約数ペア:

[(1, 81642722), (2, 40821361), (7, 11663246), (14, 5831623), (49, 1666178), (98, 833089), (571, 142982), (1142, 71491), (1459, 55958), (2918, 27979), (3997, 20426), (7994, 10213)]