81759818

素因数分解:

$2^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{30259}}^1$

素因数の和:30461

約数の個数: 16

約数和(自身を含む): 140890560

約数和(自身を除く): 59130742

約数列:

[1, 2, 7, 14, 193, 386, 1351, 2702, 30259, 60518, 211813, 423626, 5839987, 11679974, 40879909, 81759818]

約数ペア:

[(1, 81759818), (2, 40879909), (7, 11679974), (14, 5839987), (193, 423626), (386, 211813), (1351, 60518), (2702, 30259)]