87681286

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{499}}^1$

素因数の和:689

約数の個数: 48

約数和(自身を含む): 168264000

約数和(自身を除く): 80582714

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 163, 326, 499, 539, 998, 1078, 1141, 1793, 2282, 3493, 3586, 5489, 6986, 7987, 10978, 12551, 15974, 24451, 25102, 38423, 48902, 76846, 81337, 87857, 162674, 175714, 268961, 537922, 569359, 894707, 1138718, 1789414, 3985513, 6262949, 7971026, 12525898, 43840643, 87681286]

約数ペア:

[(1, 87681286), (2, 43840643), (7, 12525898), (11, 7971026), (14, 6262949), (22, 3985513), (49, 1789414), (77, 1138718), (98, 894707), (154, 569359), (163, 537922), (326, 268961), (499, 175714), (539, 162674), (998, 87857), (1078, 81337), (1141, 76846), (1793, 48902), (2282, 38423), (3493, 25102), (3586, 24451), (5489, 15974), (6986, 12551), (7987, 10978)]