406828

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:177

約数の個数: 24

約数和(自身を含む): 771120

約数和(自身を除く): 364292

約数列:

[1, 2, 4, 19, 38, 53, 76, 101, 106, 202, 212, 404, 1007, 1919, 2014, 3838, 4028, 5353, 7676, 10706, 21412, 101707, 203414, 406828]

約数ペア:

[(1, 406828), (2, 203414), (4, 101707), (19, 21412), (38, 10706), (53, 7676), (76, 5353), (101, 4028), (106, 3838), (202, 2014), (212, 1919), (404, 1007)]