1340371438

素因数分解:

$2^1\times 7^1\times {\mathrm{4457}}^1\times {\mathrm{21481}}^1$

素因数の和:25947

約数の個数: 16

約数和(自身を含む): 2298402144

約数和(自身を除く): 958030706

約数列:

[1, 2, 7, 14, 4457, 8914, 21481, 31199, 42962, 62398, 150367, 300734, 95740817, 191481634, 670185719, 1340371438]

約数ペア:

[(1, 1340371438), (2, 670185719), (7, 191481634), (14, 95740817), (4457, 300734), (8914, 150367), (21481, 62398), (31199, 42962)]