261162124

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{498401}}^1$

素因数の和:498536

約数の個数: 12

約数和(自身を含む): 460523448

約数和(自身を除く): 199361324

約数列:

[1, 2, 4, 131, 262, 524, 498401, 996802, 1993604, 65290531, 130581062, 261162124]

約数ペア:

[(1, 261162124), (2, 130581062), (4, 65290531), (131, 1993604), (262, 996802), (524, 498401)]