1666444

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:529

約数の個数: 24

約数和(自身を含む): 3190880

約数和(自身を除く): 1524436

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 439, 878, 949, 1756, 1898, 3796, 5707, 11414, 22828, 32047, 64094, 128188, 416611, 833222, 1666444]

約数ペア:

[(1, 1666444), (2, 833222), (4, 416611), (13, 128188), (26, 64094), (52, 32047), (73, 22828), (146, 11414), (292, 5707), (439, 3796), (878, 1898), (949, 1756)]