205457968

素因数分解:

$2^4\times {\mathrm{491}}^1\times {\mathrm{26153}}^1$

素因数の和:26652

約数の個数: 20

約数和(自身を含む): 398900808

約数和(自身を除く): 193442840

約数列:

[1, 2, 4, 8, 16, 491, 982, 1964, 3928, 7856, 26153, 52306, 104612, 209224, 418448, 12841123, 25682246, 51364492, 102728984, 205457968]

約数ペア:

[(1, 205457968), (2, 102728984), (4, 51364492), (8, 25682246), (16, 12841123), (491, 418448), (982, 209224), (1964, 104612), (3928, 52306), (7856, 26153)]