81398434

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{46727}}^1$

素因数の和:46809

約数の個数: 16

約数和(自身を含む): 133455168

約数和(自身を除く): 52056734

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 46727, 93454, 607451, 1214902, 3130709, 6261418, 40699217, 81398434]

約数ペア:

[(1, 81398434), (2, 40699217), (13, 6261418), (26, 3130709), (67, 1214902), (134, 607451), (871, 93454), (1742, 46727)]