201213988

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{689089}}^1$

素因数の和:689166

約数の個数: 12

約数和(自身を含む): 356948620

約数和(自身を除く): 155734632

約数列:

[1, 2, 4, 73, 146, 292, 689089, 1378178, 2756356, 50303497, 100606994, 201213988]

約数ペア:

[(1, 201213988), (2, 100606994), (4, 50303497), (73, 2756356), (146, 1378178), (292, 689089)]