81341036

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67559}}^1$

素因数の和:67613

約数の個数: 24

約数和(自身を含む): 166467840

約数和(自身を除く): 85126804

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 67559, 135118, 270236, 472913, 945826, 1891652, 2905037, 5810074, 11620148, 20335259, 40670518, 81341036]

約数ペア:

[(1, 81341036), (2, 40670518), (4, 20335259), (7, 11620148), (14, 5810074), (28, 2905037), (43, 1891652), (86, 945826), (172, 472913), (301, 270236), (602, 135118), (1204, 67559)]