12717551

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 17031168

約数和(自身を除く): 4313617

約数列:

[1, 7, 11, 23, 43, 77, 161, 167, 253, 301, 473, 989, 1169, 1771, 1837, 3311, 3841, 6923, 7181, 10879, 12859, 26887, 42251, 50267, 76153, 78991, 165163, 295757, 552937, 1156141, 1816793, 12717551]

約数ペア:

[(1, 12717551), (7, 1816793), (11, 1156141), (23, 552937), (43, 295757), (77, 165163), (161, 78991), (167, 76153), (253, 50267), (301, 42251), (473, 26887), (989, 12859), (1169, 10879), (1771, 7181), (1837, 6923), (3311, 3841)]