126987208

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{121171}}^1$

素因数の和:121308

約数の個数: 16

約数和(自身を含む): 239920560

約数和(自身を除く): 112933352

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 121171, 242342, 484684, 969368, 15873401, 31746802, 63493604, 126987208]

約数ペア:

[(1, 126987208), (2, 63493604), (4, 31746802), (8, 15873401), (131, 969368), (262, 484684), (524, 242342), (1048, 121171)]