638508

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{4093}}^1$

素因数の和:4113

約数の個数: 24

約数和(自身を含む): 1604848

約数和(自身を除く): 966340

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 4093, 8186, 12279, 16372, 24558, 49116, 53209, 106418, 159627, 212836, 319254, 638508]

約数ペア:

[(1, 638508), (2, 319254), (3, 212836), (4, 159627), (6, 106418), (12, 53209), (13, 49116), (26, 24558), (39, 16372), (52, 12279), (78, 8186), (156, 4093)]