81538712

素因数分解:

$2^3\times {\mathrm{1553}}^1\times {\mathrm{6563}}^1$

素因数の和:8122

約数の個数: 16

約数和(自身を含む): 153006840

約数和(自身を除く): 71468128

約数列:

[1, 2, 4, 8, 1553, 3106, 6212, 6563, 12424, 13126, 26252, 52504, 10192339, 20384678, 40769356, 81538712]

約数ペア:

[(1, 81538712), (2, 40769356), (4, 20384678), (8, 10192339), (1553, 52504), (3106, 26252), (6212, 13126), (6563, 12424)]