28420518

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{676679}}^1$

素因数の和:676691

約数の個数: 16

約数和(自身を含む): 64961280

約数和(自身を除く): 36540762

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 676679, 1353358, 2030037, 4060074, 4736753, 9473506, 14210259, 28420518]

約数ペア:

[(1, 28420518), (2, 14210259), (3, 9473506), (6, 4736753), (7, 4060074), (14, 2030037), (21, 1353358), (42, 676679)]