11971556

素因数分解:

$2^2\times {\mathrm{421}}^1\times {\mathrm{7109}}^1$

素因数の和:7534

約数の個数: 12

約数和(自身を含む): 21002940

約数和(自身を除く): 9031384

約数列:

[1, 2, 4, 421, 842, 1684, 7109, 14218, 28436, 2992889, 5985778, 11971556]

約数ペア:

[(1, 11971556), (2, 5985778), (4, 2992889), (421, 28436), (842, 14218), (1684, 7109)]