81864706

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{531589}}^1$

素因数の和:531609

約数の個数: 16

約数和(自身を含む): 153097920

約数和(自身を除く): 71233214

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 531589, 1063178, 3721123, 5847479, 7442246, 11694958, 40932353, 81864706]

約数ペア:

[(1, 81864706), (2, 40932353), (7, 11694958), (11, 7442246), (14, 5847479), (22, 3721123), (77, 1063178), (154, 531589)]