639042

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{1459}}^1$

素因数の和:1537

約数の個数: 16

約数和(自身を含む): 1296480

約数和(自身を除く): 657438

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 1459, 2918, 4377, 8754, 106507, 213014, 319521, 639042]

約数ペア:

[(1, 639042), (2, 319521), (3, 213014), (6, 106507), (73, 8754), (146, 4377), (219, 2918), (438, 1459)]