131840128

素因数分解:

$2^7\times 7^1\times {\mathrm{269}}^1\times {\mathrm{547}}^1$

素因数の和:837

約数の個数: 64

約数和(自身を含む): 301838400

約数和(自身を除く): 169998272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 269, 448, 538, 547, 896, 1076, 1094, 1883, 2152, 2188, 3766, 3829, 4304, 4376, 7532, 7658, 8608, 8752, 15064, 15316, 17216, 17504, 30128, 30632, 34432, 35008, 60256, 61264, 70016, 120512, 122528, 147143, 241024, 245056, 294286, 490112, 588572, 1030001, 1177144, 2060002, 2354288, 4120004, 4708576, 8240008, 9417152, 16480016, 18834304, 32960032, 65920064, 131840128]

約数ペア:

[(1, 131840128), (2, 65920064), (4, 32960032), (7, 18834304), (8, 16480016), (14, 9417152), (16, 8240008), (28, 4708576), (32, 4120004), (56, 2354288), (64, 2060002), (112, 1177144), (128, 1030001), (224, 588572), (269, 490112), (448, 294286), (538, 245056), (547, 241024), (896, 147143), (1076, 122528), (1094, 120512), (1883, 70016), (2152, 61264), (2188, 60256), (3766, 35008), (3829, 34432), (4304, 30632), (4376, 30128), (7532, 17504), (7658, 17216), (8608, 15316), (8752, 15064)]