664683859

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{36479}}^1$

素因数の和:36642

約数の個数: 16

約数和(自身を含む): 805478400

約数和(自身を除く): 140794541

約数列:

[1, 7, 19, 133, 137, 959, 2603, 18221, 36479, 255353, 693101, 4851707, 4997623, 34983361, 94954837, 664683859]

約数ペア:

[(1, 664683859), (7, 94954837), (19, 34983361), (133, 4997623), (137, 4851707), (959, 693101), (2603, 255353), (18221, 36479)]