638427470527

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{426089}}^1$

素因数の和:426208

約数の個数: 48

約数和(自身を含む): 843249153600

約数和(自身を除く): 204821683073

約数列:

[1, 7, 11, 29, 61, 77, 121, 203, 319, 427, 671, 847, 1769, 2233, 3509, 4697, 7381, 12383, 19459, 24563, 51667, 136213, 214049, 426089, 1498343, 2982623, 4686979, 12356581, 25991429, 32808853, 51556769, 86496067, 135922391, 181940003, 285905719, 360897383, 753751441, 951456737, 1495146301, 2001340033, 3144962909, 5276260087, 8291265851, 10466024107, 22014740363, 58038860957, 91203924361, 638427470527]

約数ペア:

[(1, 638427470527), (7, 91203924361), (11, 58038860957), (29, 22014740363), (61, 10466024107), (77, 8291265851), (121, 5276260087), (203, 3144962909), (319, 2001340033), (427, 1495146301), (671, 951456737), (847, 753751441), (1769, 360897383), (2233, 285905719), (3509, 181940003), (4697, 135922391), (7381, 86496067), (12383, 51556769), (19459, 32808853), (24563, 25991429), (51667, 12356581), (136213, 4686979), (214049, 2982623), (426089, 1498343)]