15678820012

素因数分解:

$2^2\times {\mathrm{9871}}^1\times {\mathrm{397093}}^1$

素因数の和:406968

約数の個数: 12

約数和(自身を含む): 27440783776

約数和(自身を除く): 11761963764

約数列:

[1, 2, 4, 9871, 19742, 39484, 397093, 794186, 1588372, 3919705003, 7839410006, 15678820012]

約数ペア:

[(1, 15678820012), (2, 7839410006), (4, 3919705003), (9871, 1588372), (19742, 794186), (39484, 397093)]