201127985

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 261169920

約数和(自身を除く): 60041935

約数列:

[1, 5, 23, 43, 89, 115, 215, 445, 457, 989, 2047, 2285, 3827, 4945, 10235, 10511, 19135, 19651, 40673, 52555, 88021, 98255, 203365, 440105, 451973, 935479, 1748939, 2259865, 4677395, 8744695, 40225597, 201127985]

約数ペア:

[(1, 201127985), (5, 40225597), (23, 8744695), (43, 4677395), (89, 2259865), (115, 1748939), (215, 935479), (445, 451973), (457, 440105), (989, 203365), (2047, 98255), (2285, 88021), (3827, 52555), (4945, 40673), (10235, 19651), (10511, 19135)]