64400418

素因数分解:

$2^1\times 3^2\times {\mathrm{1129}}^1\times {\mathrm{3169}}^1$

素因数の和:4306

約数の個数: 24

約数和(自身を含む): 139701900

約数和(自身を除く): 75301482

約数列:

[1, 2, 3, 6, 9, 18, 1129, 2258, 3169, 3387, 6338, 6774, 9507, 10161, 19014, 20322, 28521, 57042, 3577801, 7155602, 10733403, 21466806, 32200209, 64400418]

約数ペア:

[(1, 64400418), (2, 32200209), (3, 21466806), (6, 10733403), (9, 7155602), (18, 3577801), (1129, 57042), (2258, 28521), (3169, 20322), (3387, 19014), (6338, 10161), (6774, 9507)]