2787506

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:449

約数の個数: 16

約数和(自身を含む): 4341120

約数和(自身を除く): 1553614

約数列:

[1, 2, 37, 74, 139, 271, 278, 542, 5143, 10027, 10286, 20054, 37669, 75338, 1393753, 2787506]

約数ペア:

[(1, 2787506), (2, 1393753), (37, 75338), (74, 37669), (139, 20054), (271, 10286), (278, 10027), (542, 5143)]