64029978

素因数分解:

$2^1\times 3^2\times {\mathrm{1489}}^1\times {\mathrm{2389}}^1$

素因数の和:3886

約数の個数: 24

約数和(自身を含む): 138882900

約数和(自身を除く): 74852922

約数列:

[1, 2, 3, 6, 9, 18, 1489, 2389, 2978, 4467, 4778, 7167, 8934, 13401, 14334, 21501, 26802, 43002, 3557221, 7114442, 10671663, 21343326, 32014989, 64029978]

約数ペア:

[(1, 64029978), (2, 32014989), (3, 21343326), (6, 10671663), (9, 7114442), (18, 3557221), (1489, 43002), (2389, 26802), (2978, 21501), (4467, 14334), (4778, 13401), (7167, 8934)]