81144508

素因数分解:

$2^2\times {\mathrm{157}}^2\times {\mathrm{823}}^1$

素因数の和:1141

約数の個数: 18

約数和(自身を含む): 143086776

約数和(自身を除く): 61942268

約数列:

[1, 2, 4, 157, 314, 628, 823, 1646, 3292, 24649, 49298, 98596, 129211, 258422, 516844, 20286127, 40572254, 81144508]

約数ペア:

[(1, 81144508), (2, 40572254), (4, 20286127), (157, 516844), (314, 258422), (628, 129211), (823, 98596), (1646, 49298), (3292, 24649)]