2781254878

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{4217}}^1\times {\mathrm{7669}}^1$

素因数の和:11931

約数の個数: 16

約数和(自身を含む): 4270471920

約数和(自身を除く): 1489217042

約数列:

[1, 2, 43, 86, 4217, 7669, 8434, 15338, 181331, 329767, 362662, 659534, 32340173, 64680346, 1390627439, 2781254878]

約数ペア:

[(1, 2781254878), (2, 1390627439), (43, 64680346), (86, 32340173), (4217, 659534), (7669, 362662), (8434, 329767), (15338, 181331)]