205216984

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{85223}}^1$

素因数の和:85279

約数の個数: 32

約数和(自身を含む): 449982720

約数和(自身を除く): 244765736

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 85223, 170446, 340892, 596561, 681784, 1193122, 2386244, 3664589, 4772488, 7329178, 14658356, 25652123, 29316712, 51304246, 102608492, 205216984]

約数ペア:

[(1, 205216984), (2, 102608492), (4, 51304246), (7, 29316712), (8, 25652123), (14, 14658356), (28, 7329178), (43, 4772488), (56, 3664589), (86, 2386244), (172, 1193122), (301, 681784), (344, 596561), (602, 340892), (1204, 170446), (2408, 85223)]