81700804

素因数分解:

$2^2\times {\mathrm{3181}}^1\times {\mathrm{6421}}^1$

素因数の和:9606

約数の個数: 12

約数和(自身を含む): 143043628

約数和(自身を除く): 61342824

約数列:

[1, 2, 4, 3181, 6362, 6421, 12724, 12842, 25684, 20425201, 40850402, 81700804]

約数ペア:

[(1, 81700804), (2, 40850402), (4, 20425201), (3181, 25684), (6362, 12842), (6421, 12724)]