51720662

素因数分解:

$2^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{9497}}^1$

素因数の和:9895

約数の個数: 16

約数和(自身を含む): 88901280

約数和(自身を除く): 37180618

約数列:

[1, 2, 7, 14, 389, 778, 2723, 5446, 9497, 18994, 66479, 132958, 3694333, 7388666, 25860331, 51720662]

約数ペア:

[(1, 51720662), (2, 25860331), (7, 7388666), (14, 3694333), (389, 132958), (778, 66479), (2723, 18994), (5446, 9497)]