399274554

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{9506537}}^1$

素因数の和:9506549

約数の個数: 16

約数和(自身を含む): 912627648

約数和(自身を除く): 513353094

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 9506537, 19013074, 28519611, 57039222, 66545759, 133091518, 199637277, 399274554]

約数ペア:

[(1, 399274554), (2, 199637277), (3, 133091518), (6, 66545759), (7, 57039222), (14, 28519611), (21, 19013074), (42, 9506537)]