2581204

素因数分解:

$2^2\times {\mathrm{43}}^2\times {\mathrm{349}}^1$

素因数の和:439

約数の個数: 18

約数和(自身を含む): 4637850

約数和(自身を除く): 2056646

約数列:

[1, 2, 4, 43, 86, 172, 349, 698, 1396, 1849, 3698, 7396, 15007, 30014, 60028, 645301, 1290602, 2581204]

約数ペア:

[(1, 2581204), (2, 1290602), (4, 645301), (43, 60028), (86, 30014), (172, 15007), (349, 7396), (698, 3698), (1396, 1849)]