128439968014

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{904506817}}^1$

素因数の和:904506890

約数の個数: 8

約数和(自身を含む): 195373472688

約数和(自身を除く): 66933504674

約数列:

[1, 2, 71, 142, 904506817, 1809013634, 64219984007, 128439968014]

約数ペア:

[(1, 128439968014), (2, 64219984007), (71, 1809013634), (142, 904506817)]