639666048

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{237971}}^1$

素因数の和:237995

約数の個数: 64

約数和(自身を含む): 1941851520

約数和(自身を除く): 1302185472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688, 237971, 475942, 713913, 951884, 1427826, 1665797, 1903768, 2855652, 3331594, 3807536, 4997391, 5711304, 6663188, 7615072, 9994782, 11422608, 13326376, 15230144, 19989564, 22845216, 26652752, 30460288, 39979128, 45690432, 53305504, 79958256, 91380864, 106611008, 159916512, 213222016, 319833024, 639666048]

約数ペア:

[(1, 639666048), (2, 319833024), (3, 213222016), (4, 159916512), (6, 106611008), (7, 91380864), (8, 79958256), (12, 53305504), (14, 45690432), (16, 39979128), (21, 30460288), (24, 26652752), (28, 22845216), (32, 19989564), (42, 15230144), (48, 13326376), (56, 11422608), (64, 9994782), (84, 7615072), (96, 6663188), (112, 5711304), (128, 4997391), (168, 3807536), (192, 3331594), (224, 2855652), (336, 1903768), (384, 1665797), (448, 1427826), (672, 951884), (896, 713913), (1344, 475942), (2688, 237971)]