644946642

素因数分解:

$2^1\times 3^2\times {\mathrm{35830369}}^1$

素因数の和:35830377

約数の個数: 12

約数和(自身を含む): 1397384430

約数和(自身を除く): 752437788

約数列:

[1, 2, 3, 6, 9, 18, 35830369, 71660738, 107491107, 214982214, 322473321, 644946642]

約数ペア:

[(1, 644946642), (2, 322473321), (3, 214982214), (6, 107491107), (9, 71660738), (18, 35830369)]