86540209

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{2687}}^1$

素因数の和:2844

約数の個数: 16

約数和(自身を含む): 102187008

約数和(自身を除く): 15646799

約数列:

[1, 7, 43, 107, 301, 749, 2687, 4601, 18809, 32207, 115541, 287509, 808787, 2012563, 12362887, 86540209]

約数ペア:

[(1, 86540209), (7, 12362887), (43, 2012563), (107, 808787), (301, 287509), (749, 115541), (2687, 32207), (4601, 18809)]