128275896

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{2971}}^1$

素因数の和:3244

約数の個数: 64

約数和(自身を含む): 368052480

約数和(自身を除く): 239776584

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 257, 514, 771, 1028, 1542, 1799, 2056, 2971, 3084, 3598, 5397, 5942, 6168, 7196, 8913, 10794, 11884, 14392, 17826, 20797, 21588, 23768, 35652, 41594, 43176, 62391, 71304, 83188, 124782, 166376, 249564, 499128, 763547, 1527094, 2290641, 3054188, 4581282, 5344829, 6108376, 9162564, 10689658, 16034487, 18325128, 21379316, 32068974, 42758632, 64137948, 128275896]

約数ペア:

[(1, 128275896), (2, 64137948), (3, 42758632), (4, 32068974), (6, 21379316), (7, 18325128), (8, 16034487), (12, 10689658), (14, 9162564), (21, 6108376), (24, 5344829), (28, 4581282), (42, 3054188), (56, 2290641), (84, 1527094), (168, 763547), (257, 499128), (514, 249564), (771, 166376), (1028, 124782), (1542, 83188), (1799, 71304), (2056, 62391), (2971, 43176), (3084, 41594), (3598, 35652), (5397, 23768), (5942, 21588), (6168, 20797), (7196, 17826), (8913, 14392), (10794, 11884)]