257769968

素因数分解:

$2^4\times {\mathrm{2857}}^1\times {\mathrm{5639}}^1$

素因数の和:8504

約数の個数: 20

約数和(自身を含む): 499692720

約数和(自身を除く): 241922752

約数列:

[1, 2, 4, 8, 16, 2857, 5639, 5714, 11278, 11428, 22556, 22856, 45112, 45712, 90224, 16110623, 32221246, 64442492, 128884984, 257769968]

約数ペア:

[(1, 257769968), (2, 128884984), (4, 64442492), (8, 32221246), (16, 16110623), (2857, 90224), (5639, 45712), (5714, 45112), (11278, 22856), (11428, 22556)]