2489968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{11971}}^1$

素因数の和:11992

約数の個数: 20

約数和(自身を含む): 5195848

約数和(自身を除く): 2705880

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 11971, 23942, 47884, 95768, 155623, 191536, 311246, 622492, 1244984, 2489968]

約数ペア:

[(1, 2489968), (2, 1244984), (4, 622492), (8, 311246), (13, 191536), (16, 155623), (26, 95768), (52, 47884), (104, 23942), (208, 11971)]