399918674

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{66809}}^1$

素因数の和:66925

約数の個数: 16

約数和(自身を含む): 622936440

約数和(自身を除く): 223017766

約数列:

[1, 2, 41, 73, 82, 146, 2993, 5986, 66809, 133618, 2739169, 4877057, 5478338, 9754114, 199959337, 399918674]

約数ペア:

[(1, 399918674), (2, 199959337), (41, 9754114), (73, 5478338), (82, 4877057), (146, 2739169), (2993, 133618), (5986, 66809)]