1991402

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1381}}^1$

素因数の和:1493

約数の個数: 16

約数和(自身を含む): 3449472

約数和(自身を除く): 1458070

約数列:

[1, 2, 7, 14, 103, 206, 721, 1381, 1442, 2762, 9667, 19334, 142243, 284486, 995701, 1991402]

約数ペア:

[(1, 1991402), (2, 995701), (7, 284486), (14, 142243), (103, 19334), (206, 9667), (721, 2762), (1381, 1442)]