8378874

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{66499}}^1$

素因数の和:66514

約数の個数: 24

約数和(自身を含む): 20748000

約数和(自身を除く): 12369126

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 66499, 132998, 199497, 398994, 465493, 598491, 930986, 1196982, 1396479, 2792958, 4189437, 8378874]

約数ペア:

[(1, 8378874), (2, 4189437), (3, 2792958), (6, 1396479), (7, 1196982), (9, 930986), (14, 598491), (18, 465493), (21, 398994), (42, 199497), (63, 132998), (126, 66499)]