209218349

素因数分解:

${\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 227547936

約数和(自身を除く): 18329587

約数列:

[1, 31, 43, 61, 83, 961, 1333, 1891, 2573, 2623, 3569, 5063, 41323, 58621, 79763, 81313, 110639, 156953, 217709, 2520703, 3429809, 4865543, 6748979, 209218349]

約数ペア:

[(1, 209218349), (31, 6748979), (43, 4865543), (61, 3429809), (83, 2520703), (961, 217709), (1333, 156953), (1891, 110639), (2573, 81313), (2623, 79763), (3569, 58621), (5063, 41323)]