81561034

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{8161}}^1$

素因数の和:8445

約数の個数: 16

約数和(自身を含む): 129286080

約数和(自身を除く): 47725046

約数列:

[1, 2, 19, 38, 263, 526, 4997, 8161, 9994, 16322, 155059, 310118, 2146343, 4292686, 40780517, 81561034]

約数ペア:

[(1, 81561034), (2, 40780517), (19, 4292686), (38, 2146343), (263, 310118), (526, 155059), (4997, 16322), (8161, 9994)]