216222839

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1109}}^1$

素因数の和:1319

約数の個数: 24

約数和(自身を含む): 264215520

約数和(自身を除く): 47992681

約数列:

[1, 7, 23, 49, 161, 173, 1109, 1127, 1211, 3979, 7763, 8477, 25507, 27853, 54341, 178549, 191857, 194971, 1249843, 1342999, 4412711, 9400993, 30888977, 216222839]

約数ペア:

[(1, 216222839), (7, 30888977), (23, 9400993), (49, 4412711), (161, 1342999), (173, 1249843), (1109, 194971), (1127, 191857), (1211, 178549), (3979, 54341), (7763, 27853), (8477, 25507)]