638860116

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{1238101}}^1$

素因数の和:1238151

約数の個数: 24

約数和(自身を含む): 1525341664

約数和(自身を除く): 886481548

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 1238101, 2476202, 3714303, 4952404, 7428606, 14857212, 53238343, 106476686, 159715029, 212953372, 319430058, 638860116]

約数ペア:

[(1, 638860116), (2, 319430058), (3, 212953372), (4, 159715029), (6, 106476686), (12, 53238343), (43, 14857212), (86, 7428606), (129, 4952404), (172, 3714303), (258, 2476202), (516, 1238101)]