81549596

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{8191}}^1$

素因数の和:8345

約数の個数: 24

約数和(自身を含む): 151388160

約数和(自身を除く): 69838564

約数列:

[1, 2, 4, 19, 38, 76, 131, 262, 524, 2489, 4978, 8191, 9956, 16382, 32764, 155629, 311258, 622516, 1073021, 2146042, 4292084, 20387399, 40774798, 81549596]

約数ペア:

[(1, 81549596), (2, 40774798), (4, 20387399), (19, 4292084), (38, 2146042), (76, 1073021), (131, 622516), (262, 311258), (524, 155629), (2489, 32764), (4978, 16382), (8191, 9956)]