6420428

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2143}}^1$

素因数の和:2261

約数の個数: 24

約数和(自身を含む): 12966912

約数和(自身を除く): 6546484

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2143, 2996, 4286, 8572, 15001, 30002, 60004, 229301, 458602, 917204, 1605107, 3210214, 6420428]

約数ペア:

[(1, 6420428), (2, 3210214), (4, 1605107), (7, 917204), (14, 458602), (28, 229301), (107, 60004), (214, 30002), (428, 15001), (749, 8572), (1498, 4286), (2143, 2996)]