28139146

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{28309}}^1$

素因数の和:28389

約数の個数: 16

約数和(自身を含む): 48919680

約数和(自身を除く): 20780534

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 28309, 56618, 198163, 396326, 2009939, 4019878, 14069573, 28139146]

約数ペア:

[(1, 28139146), (2, 14069573), (7, 4019878), (14, 2009939), (71, 396326), (142, 198163), (497, 56618), (994, 28309)]