440000638

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{39139}}^1$

素因数の和:39232

約数の個数: 32

約数和(自身を含む): 834151680

約数和(自身を除く): 394151042

約数列:

[1, 2, 7, 11, 14, 22, 73, 77, 146, 154, 511, 803, 1022, 1606, 5621, 11242, 39139, 78278, 273973, 430529, 547946, 861058, 2857147, 3013703, 5714294, 6027406, 20000029, 31428617, 40000058, 62857234, 220000319, 440000638]

約数ペア:

[(1, 440000638), (2, 220000319), (7, 62857234), (11, 40000058), (14, 31428617), (22, 20000029), (73, 6027406), (77, 5714294), (146, 3013703), (154, 2857147), (511, 861058), (803, 547946), (1022, 430529), (1606, 273973), (5621, 78278), (11242, 39139)]