80861228

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{43103}}^1$

素因数の和:43181

約数の個数: 24

約数和(自身を含む): 164140032

約数和(自身を除く): 83278804

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 43103, 86206, 172412, 301721, 603442, 1206884, 2887901, 5775802, 11551604, 20215307, 40430614, 80861228]

約数ペア:

[(1, 80861228), (2, 40430614), (4, 20215307), (7, 11551604), (14, 5775802), (28, 2887901), (67, 1206884), (134, 603442), (268, 301721), (469, 172412), (938, 86206), (1876, 43103)]