2439408978

素因数分解:

$2^1\times 3^2\times {\mathrm{3389}}^1\times {\mathrm{39989}}^1$

素因数の和:43386

約数の個数: 24

約数和(自身を含む): 5287077900

約数和(自身を除く): 2847668922

約数列:

[1, 2, 3, 6, 9, 18, 3389, 6778, 10167, 20334, 30501, 39989, 61002, 79978, 119967, 239934, 359901, 719802, 135522721, 271045442, 406568163, 813136326, 1219704489, 2439408978]

約数ペア:

[(1, 2439408978), (2, 1219704489), (3, 813136326), (6, 406568163), (9, 271045442), (18, 135522721), (3389, 719802), (6778, 359901), (10167, 239934), (20334, 119967), (30501, 79978), (39989, 61002)]