397459762

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1669999}}^1$

素因数の和:1670025

約数の個数: 16

約数和(自身を含む): 721440000

約数和(自身を除く): 323980238

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 1669999, 3339998, 11689993, 23379986, 28389983, 56779966, 198729881, 397459762]

約数ペア:

[(1, 397459762), (2, 198729881), (7, 56779966), (14, 28389983), (17, 23379986), (34, 11689993), (119, 3339998), (238, 1669999)]