1981212

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{1543}}^1$

素因数の和:1657

約数の個数: 24

約数和(自身を含む): 4669056

約数和(自身を除く): 2687844

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284, 1543, 3086, 4629, 6172, 9258, 18516, 165101, 330202, 495303, 660404, 990606, 1981212]

約数ペア:

[(1, 1981212), (2, 990606), (3, 660404), (4, 495303), (6, 330202), (12, 165101), (107, 18516), (214, 9258), (321, 6172), (428, 4629), (642, 3086), (1284, 1543)]