51217369

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 64281600

約数和(自身を除く): 13064231

約数列:

[1, 7, 19, 59, 61, 107, 133, 413, 427, 749, 1121, 1159, 2033, 3599, 6313, 6527, 7847, 8113, 14231, 25193, 44191, 45689, 68381, 119947, 124013, 385093, 478667, 839629, 868091, 2695651, 7316767, 51217369]

約数ペア:

[(1, 51217369), (7, 7316767), (19, 2695651), (59, 868091), (61, 839629), (107, 478667), (133, 385093), (413, 124013), (427, 119947), (749, 68381), (1121, 45689), (1159, 44191), (2033, 25193), (3599, 14231), (6313, 8113), (6527, 7847)]