158978869

素因数分解:

$7^1\times {\mathrm{43}}^2\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:337

約数の個数: 24

約数和(自身を含む): 189724032

約数和(自身を除く): 30745163

約数列:

[1, 7, 43, 71, 173, 301, 497, 1211, 1849, 3053, 7439, 12283, 12943, 21371, 52073, 85981, 131279, 319877, 528169, 918953, 2239139, 3697183, 22711267, 158978869]

約数ペア:

[(1, 158978869), (7, 22711267), (43, 3697183), (71, 2239139), (173, 918953), (301, 528169), (497, 319877), (1211, 131279), (1849, 85981), (3053, 52073), (7439, 21371), (12283, 12943)]