281227128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{128767}}^1$

素因数の和:128796

約数の個数: 64

約数和(自身を含む): 865320960

約数和(自身を除く): 584093832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 128767, 257534, 386301, 515068, 772602, 901369, 1030136, 1545204, 1673971, 1802738, 2704107, 3090408, 3347942, 3605476, 5021913, 5408214, 6695884, 7210952, 10043826, 10816428, 11717797, 13391768, 20087652, 21632856, 23435594, 35153391, 40175304, 46871188, 70306782, 93742376, 140613564, 281227128]

約数ペア:

[(1, 281227128), (2, 140613564), (3, 93742376), (4, 70306782), (6, 46871188), (7, 40175304), (8, 35153391), (12, 23435594), (13, 21632856), (14, 20087652), (21, 13391768), (24, 11717797), (26, 10816428), (28, 10043826), (39, 7210952), (42, 6695884), (52, 5408214), (56, 5021913), (78, 3605476), (84, 3347942), (91, 3090408), (104, 2704107), (156, 1802738), (168, 1673971), (182, 1545204), (273, 1030136), (312, 901369), (364, 772602), (546, 515068), (728, 386301), (1092, 257534), (2184, 128767)]