638740752

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{2137}}^1$

素因数の和:2640

約数の個数: 80

約数和(自身を含む): 1781552640

約数和(自身を除く): 1142811888

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 479, 624, 958, 1437, 1916, 2137, 2874, 3832, 4274, 5748, 6227, 6411, 7664, 8548, 11496, 12454, 12822, 17096, 18681, 22992, 24908, 25644, 27781, 34192, 37362, 49816, 51288, 55562, 74724, 83343, 99632, 102576, 111124, 149448, 166686, 222248, 298896, 333372, 444496, 666744, 1023623, 1333488, 2047246, 3070869, 4094492, 6141738, 8188984, 12283476, 13307099, 16377968, 24566952, 26614198, 39921297, 49133904, 53228396, 79842594, 106456792, 159685188, 212913584, 319370376, 638740752]

約数ペア:

[(1, 638740752), (2, 319370376), (3, 212913584), (4, 159685188), (6, 106456792), (8, 79842594), (12, 53228396), (13, 49133904), (16, 39921297), (24, 26614198), (26, 24566952), (39, 16377968), (48, 13307099), (52, 12283476), (78, 8188984), (104, 6141738), (156, 4094492), (208, 3070869), (312, 2047246), (479, 1333488), (624, 1023623), (958, 666744), (1437, 444496), (1916, 333372), (2137, 298896), (2874, 222248), (3832, 166686), (4274, 149448), (5748, 111124), (6227, 102576), (6411, 99632), (7664, 83343), (8548, 74724), (11496, 55562), (12454, 51288), (12822, 49816), (17096, 37362), (18681, 34192), (22992, 27781), (24908, 25644)]