12981085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 18466560

約数和(自身を除く): 5485475

約数列:

[1, 5, 13, 19, 23, 65, 95, 115, 247, 299, 437, 457, 1235, 1495, 2185, 2285, 5681, 5941, 8683, 10511, 28405, 29705, 43415, 52555, 112879, 136643, 199709, 564395, 683215, 998545, 2596217, 12981085]

約数ペア:

[(1, 12981085), (5, 2596217), (13, 998545), (19, 683215), (23, 564395), (65, 199709), (95, 136643), (115, 112879), (247, 52555), (299, 43415), (437, 29705), (457, 28405), (1235, 10511), (1495, 8683), (2185, 5941), (2285, 5681)]