12981458

素因数分解:

$2^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{2213}}^1$

素因数の和:2641

約数の個数: 16

約数和(自身を含む): 22317120

約数和(自身を除く): 9335662

約数列:

[1, 2, 7, 14, 419, 838, 2213, 2933, 4426, 5866, 15491, 30982, 927247, 1854494, 6490729, 12981458]

約数ペア:

[(1, 12981458), (2, 6490729), (7, 1854494), (14, 927247), (419, 30982), (838, 15491), (2213, 5866), (2933, 4426)]