389621878

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{156979}}^1$

素因数の和:157071

約数の個数: 16

約数和(自身を含む): 627292080

約数和(自身を除く): 237670202

約数列:

[1, 2, 17, 34, 73, 146, 1241, 2482, 156979, 313958, 2668643, 5337286, 11459467, 22918934, 194810939, 389621878]

約数ペア:

[(1, 389621878), (2, 194810939), (17, 22918934), (34, 11459467), (73, 5337286), (146, 2668643), (1241, 313958), (2482, 156979)]