80890516

素因数分解:

$2^2\times 7^1\times {\mathrm{857}}^1\times {\mathrm{3371}}^1$

素因数の和:4239

約数の個数: 24

約数和(自身を含む): 162017856

約数和(自身を除く): 81127340

約数列:

[1, 2, 4, 7, 14, 28, 857, 1714, 3371, 3428, 5999, 6742, 11998, 13484, 23597, 23996, 47194, 94388, 2888947, 5777894, 11555788, 20222629, 40445258, 80890516]

約数ペア:

[(1, 80890516), (2, 40445258), (4, 20222629), (7, 11555788), (14, 5777894), (28, 2888947), (857, 94388), (1714, 47194), (3371, 23996), (3428, 23597), (5999, 13484), (6742, 11998)]