1278438

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 2976000

約数和(自身を除く): 1697562

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 183, 366, 427, 499, 854, 998, 1281, 1497, 2562, 2994, 3493, 6986, 10479, 20958, 30439, 60878, 91317, 182634, 213073, 426146, 639219, 1278438]

約数ペア:

[(1, 1278438), (2, 639219), (3, 426146), (6, 213073), (7, 182634), (14, 91317), (21, 60878), (42, 30439), (61, 20958), (122, 10479), (183, 6986), (366, 3493), (427, 2994), (499, 2562), (854, 1497), (998, 1281)]