489819962

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{678421}}^1$

素因数の和:678461

約数の個数: 12

約数和(自身を含む): 775436346

約数和(自身を除く): 285616384

約数列:

[1, 2, 19, 38, 361, 722, 678421, 1356842, 12889999, 25779998, 244909981, 489819962]

約数ペア:

[(1, 489819962), (2, 244909981), (19, 25779998), (38, 12889999), (361, 1356842), (722, 678421)]