399768334

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{664067}}^1$

素因数の和:664119

約数の個数: 16

約数和(自身を含む): 701255808

約数和(自身を除く): 301487474

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 664067, 1328134, 4648469, 9296938, 28554881, 57109762, 199884167, 399768334]

約数ペア:

[(1, 399768334), (2, 199884167), (7, 57109762), (14, 28554881), (43, 9296938), (86, 4648469), (301, 1328134), (602, 664067)]