15639988

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{42967}}^1$

素因数の和:42991

約数の個数: 24

約数和(自身を含む): 33686912

約数和(自身を除く): 18046924

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 42967, 85934, 171868, 300769, 558571, 601538, 1117142, 1203076, 2234284, 3909997, 7819994, 15639988]

約数ペア:

[(1, 15639988), (2, 7819994), (4, 3909997), (7, 2234284), (13, 1203076), (14, 1117142), (26, 601538), (28, 558571), (52, 300769), (91, 171868), (182, 85934), (364, 42967)]