639046912

素因数分解:

$2^8\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^2$

素因数の和:316

約数の個数: 108

約数和(自身を含む): 1545836320

約数和(自身を除く): 906789408

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 137, 152, 224, 256, 266, 274, 304, 448, 532, 548, 608, 896, 959, 1064, 1096, 1216, 1792, 1918, 2128, 2192, 2432, 2603, 3836, 4256, 4384, 4864, 5206, 7672, 8512, 8768, 10412, 15344, 17024, 17536, 18221, 18769, 20824, 30688, 34048, 35072, 36442, 37538, 41648, 61376, 72884, 75076, 83296, 122752, 131383, 145768, 150152, 166592, 245504, 262766, 291536, 300304, 333184, 356611, 525532, 583072, 600608, 666368, 713222, 1051064, 1166144, 1201216, 1426444, 2102128, 2332288, 2402432, 2496277, 2852888, 4204256, 4664576, 4804864, 4992554, 5705776, 8408512, 9985108, 11411552, 16817024, 19970216, 22823104, 33634048, 39940432, 45646208, 79880864, 91292416, 159761728, 319523456, 639046912]

約数ペア:

[(1, 639046912), (2, 319523456), (4, 159761728), (7, 91292416), (8, 79880864), (14, 45646208), (16, 39940432), (19, 33634048), (28, 22823104), (32, 19970216), (38, 16817024), (56, 11411552), (64, 9985108), (76, 8408512), (112, 5705776), (128, 4992554), (133, 4804864), (137, 4664576), (152, 4204256), (224, 2852888), (256, 2496277), (266, 2402432), (274, 2332288), (304, 2102128), (448, 1426444), (532, 1201216), (548, 1166144), (608, 1051064), (896, 713222), (959, 666368), (1064, 600608), (1096, 583072), (1216, 525532), (1792, 356611), (1918, 333184), (2128, 300304), (2192, 291536), (2432, 262766), (2603, 245504), (3836, 166592), (4256, 150152), (4384, 145768), (4864, 131383), (5206, 122752), (7672, 83296), (8512, 75076), (8768, 72884), (10412, 61376), (15344, 41648), (17024, 37538), (17536, 36442), (18221, 35072), (18769, 34048), (20824, 30688)]