81553784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{784171}}^1$

素因数の和:784190

約数の個数: 16

約数和(自身を含む): 164676120

約数和(自身を除く): 83122336

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 784171, 1568342, 3136684, 6273368, 10194223, 20388446, 40776892, 81553784]

約数ペア:

[(1, 81553784), (2, 40776892), (4, 20388446), (8, 10194223), (13, 6273368), (26, 3136684), (52, 1568342), (104, 784171)]