858496208

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{492257}}^1$

素因数の和:492374

約数の個数: 20

約数和(自身を含む): 1678599780

約数和(自身を除く): 820103572

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 492257, 984514, 1969028, 3938056, 7876112, 53656013, 107312026, 214624052, 429248104, 858496208]

約数ペア:

[(1, 858496208), (2, 429248104), (4, 214624052), (8, 107312026), (16, 53656013), (109, 7876112), (218, 3938056), (436, 1969028), (872, 984514), (1744, 492257)]