81331226

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1\times {\mathrm{877}}^1$

素因数の和:1489

約数の個数: 16

約数和(自身を含む): 123745320

約数和(自身を除く): 42414094

約数列:

[1, 2, 89, 178, 521, 877, 1042, 1754, 46369, 78053, 92738, 156106, 456917, 913834, 40665613, 81331226]

約数ペア:

[(1, 81331226), (2, 40665613), (89, 913834), (178, 456917), (521, 156106), (877, 92738), (1042, 78053), (1754, 46369)]