2604651

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4001}}^1$

素因数の和:4042

約数の個数: 16

約数和(自身を含む): 4098048

約数和(自身を除く): 1493397

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 4001, 12003, 28007, 84021, 124031, 372093, 868217, 2604651]

約数ペア:

[(1, 2604651), (3, 868217), (7, 372093), (21, 124031), (31, 84021), (93, 28007), (217, 12003), (651, 4001)]