12252155

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 15988560

約数和(自身を除く): 3736405

約数列:

[1, 5, 17, 61, 85, 139, 289, 305, 695, 1037, 1445, 2363, 5185, 8479, 11815, 17629, 40171, 42395, 88145, 144143, 200855, 720715, 2450431, 12252155]

約数ペア:

[(1, 12252155), (5, 2450431), (17, 720715), (61, 200855), (85, 144143), (139, 88145), (289, 42395), (305, 40171), (695, 17629), (1037, 11815), (1445, 8479), (2363, 5185)]