81187604

素因数分解:

$2^2\times {\mathrm{1301}}^1\times {\mathrm{15601}}^1$

素因数の和:16906

約数の個数: 12

約数和(自身を含む): 142196628

約数和(自身を除く): 61009024

約数列:

[1, 2, 4, 1301, 2602, 5204, 15601, 31202, 62404, 20296901, 40593802, 81187604]

約数ペア:

[(1, 81187604), (2, 40593802), (4, 20296901), (1301, 62404), (2602, 31202), (5204, 15601)]