12640796

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{10499}}^1$

素因数の和:10553

約数の個数: 24

約数和(自身を含む): 25872000

約数和(自身を除く): 13231204

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 10499, 20998, 41996, 73493, 146986, 293972, 451457, 902914, 1805828, 3160199, 6320398, 12640796]

約数ペア:

[(1, 12640796), (2, 6320398), (4, 3160199), (7, 1805828), (14, 902914), (28, 451457), (43, 293972), (86, 146986), (172, 73493), (301, 41996), (602, 20998), (1204, 10499)]