12495749

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1999}}^1$

素因数の和:2072

約数の個数: 16

約数和(自身を含む): 15360000

約数和(自身を除く): 2864251

約数列:

[1, 7, 19, 47, 133, 329, 893, 1999, 6251, 13993, 37981, 93953, 265867, 657671, 1785107, 12495749]

約数ペア:

[(1, 12495749), (7, 1785107), (19, 657671), (47, 265867), (133, 93953), (329, 37981), (893, 13993), (1999, 6251)]