489409970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{6991571}}^1$

素因数の和:6991585

約数の個数: 16

約数和(自身を含む): 1006786368

約数和(自身を除く): 517376398

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 6991571, 13983142, 34957855, 48940997, 69915710, 97881994, 244704985, 489409970]

約数ペア:

[(1, 489409970), (2, 244704985), (5, 97881994), (7, 69915710), (10, 48940997), (14, 34957855), (35, 13983142), (70, 6991571)]