81605402

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1\times {\mathrm{941}}^1$

素因数の和:1405

約数の個数: 16

約数和(自身を含む): 123846624

約数和(自身を除く): 42241222

約数列:

[1, 2, 131, 262, 331, 662, 941, 1882, 43361, 86722, 123271, 246542, 311471, 622942, 40802701, 81605402]

約数ペア:

[(1, 81605402), (2, 40802701), (131, 622942), (262, 311471), (331, 246542), (662, 123271), (941, 86722), (1882, 43361)]