16243157

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 20246400

約数和(自身を除く): 4003243

約数列:

[1, 7, 19, 49, 73, 133, 239, 511, 931, 1387, 1673, 3577, 4541, 9709, 11711, 17447, 31787, 67963, 122129, 222509, 331493, 854903, 2320451, 16243157]

約数ペア:

[(1, 16243157), (7, 2320451), (19, 854903), (49, 331493), (73, 222509), (133, 122129), (239, 67963), (511, 31787), (931, 17447), (1387, 11711), (1673, 9709), (3577, 4541)]