1317998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:583

約数の個数: 16

約数和(自身を含む): 2177280

約数和(自身を除く): 859282

約数列:

[1, 2, 11, 22, 139, 278, 431, 862, 1529, 3058, 4741, 9482, 59909, 119818, 658999, 1317998]

約数ペア:

[(1, 1317998), (2, 658999), (11, 119818), (22, 59909), (139, 9482), (278, 4741), (431, 3058), (862, 1529)]