391604668

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8089}}^1$

素因数の和:8139

約数の個数: 72

約数和(自身を含む): 903814800

約数和(自身を除く): 512210132

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 91, 98, 133, 182, 196, 247, 266, 364, 494, 532, 637, 931, 988, 1274, 1729, 1862, 2548, 3458, 3724, 6916, 8089, 12103, 16178, 24206, 32356, 48412, 56623, 105157, 113246, 153691, 210314, 226492, 307382, 396361, 420628, 614764, 736099, 792722, 1075837, 1472198, 1585444, 1997983, 2151674, 2944396, 3995966, 4303348, 5152693, 7530859, 7991932, 10305386, 13985881, 15061718, 20610772, 27971762, 30123436, 55943524, 97901167, 195802334, 391604668]

約数ペア:

[(1, 391604668), (2, 195802334), (4, 97901167), (7, 55943524), (13, 30123436), (14, 27971762), (19, 20610772), (26, 15061718), (28, 13985881), (38, 10305386), (49, 7991932), (52, 7530859), (76, 5152693), (91, 4303348), (98, 3995966), (133, 2944396), (182, 2151674), (196, 1997983), (247, 1585444), (266, 1472198), (364, 1075837), (494, 792722), (532, 736099), (637, 614764), (931, 420628), (988, 396361), (1274, 307382), (1729, 226492), (1862, 210314), (2548, 153691), (3458, 113246), (3724, 105157), (6916, 56623), (8089, 48412), (12103, 32356), (16178, 24206)]