81028570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1061}}^1\times {\mathrm{1091}}^1$

素因数の和:2166

約数の個数: 32

約数和(自身を含む): 166997376

約数和(自身を除く): 85968806

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1061, 1091, 2122, 2182, 5305, 5455, 7427, 7637, 10610, 10910, 14854, 15274, 37135, 38185, 74270, 76370, 1157551, 2315102, 5787755, 8102857, 11575510, 16205714, 40514285, 81028570]

約数ペア:

[(1, 81028570), (2, 40514285), (5, 16205714), (7, 11575510), (10, 8102857), (14, 5787755), (35, 2315102), (70, 1157551), (1061, 76370), (1091, 74270), (2122, 38185), (2182, 37135), (5305, 15274), (5455, 14854), (7427, 10910), (7637, 10610)]