81412072

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{33809}}^1$

素因数の和:33865

約数の個数: 32

約数和(自身を含む): 178516800

約数和(自身を除く): 97104728

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 33809, 67618, 135236, 236663, 270472, 473326, 946652, 1453787, 1893304, 2907574, 5815148, 10176509, 11630296, 20353018, 40706036, 81412072]

約数ペア:

[(1, 81412072), (2, 40706036), (4, 20353018), (7, 11630296), (8, 10176509), (14, 5815148), (28, 2907574), (43, 1893304), (56, 1453787), (86, 946652), (172, 473326), (301, 270472), (344, 236663), (602, 135236), (1204, 67618), (2408, 33809)]