1991115054

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{6257}}^1$

素因数の和:6422

約数の個数: 64

約数和(自身を含む): 4541806080

約数和(自身を除く): 2550691026

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 83, 142, 166, 213, 249, 426, 498, 639, 747, 1278, 1494, 1917, 2241, 3834, 4482, 5893, 6257, 11786, 12514, 17679, 18771, 35358, 37542, 53037, 56313, 106074, 112626, 159111, 168939, 318222, 337878, 444247, 519331, 888494, 1038662, 1332741, 1557993, 2665482, 3115986, 3998223, 4673979, 7996446, 9347958, 11994669, 14021937, 23989338, 28043874, 36872501, 73745002, 110617503, 221235006, 331852509, 663705018, 995557527, 1991115054]

約数ペア:

[(1, 1991115054), (2, 995557527), (3, 663705018), (6, 331852509), (9, 221235006), (18, 110617503), (27, 73745002), (54, 36872501), (71, 28043874), (83, 23989338), (142, 14021937), (166, 11994669), (213, 9347958), (249, 7996446), (426, 4673979), (498, 3998223), (639, 3115986), (747, 2665482), (1278, 1557993), (1494, 1332741), (1917, 1038662), (2241, 888494), (3834, 519331), (4482, 444247), (5893, 337878), (6257, 318222), (11786, 168939), (12514, 159111), (17679, 112626), (18771, 106074), (35358, 56313), (37542, 53037)]