644361984

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{39953}}^1$

素因数の和:39982

約数の個数: 108

約数和(自身を含む): 2123315376

約数和(自身を除く): 1478953392

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 336, 384, 448, 504, 576, 672, 768, 896, 1008, 1152, 1344, 1792, 2016, 2304, 2688, 4032, 5376, 8064, 16128, 39953, 79906, 119859, 159812, 239718, 279671, 319624, 359577, 479436, 559342, 639248, 719154, 839013, 958872, 1118684, 1278496, 1438308, 1678026, 1917744, 2237368, 2517039, 2556992, 2876616, 3356052, 3835488, 4474736, 5034078, 5113984, 5753232, 6712104, 7670976, 8949472, 10068156, 10227968, 11506464, 13424208, 15341952, 17898944, 20136312, 23012928, 26848416, 30683904, 35797888, 40272624, 46025856, 53696832, 71595776, 80545248, 92051712, 107393664, 161090496, 214787328, 322180992, 644361984]

約数ペア:

[(1, 644361984), (2, 322180992), (3, 214787328), (4, 161090496), (6, 107393664), (7, 92051712), (8, 80545248), (9, 71595776), (12, 53696832), (14, 46025856), (16, 40272624), (18, 35797888), (21, 30683904), (24, 26848416), (28, 23012928), (32, 20136312), (36, 17898944), (42, 15341952), (48, 13424208), (56, 11506464), (63, 10227968), (64, 10068156), (72, 8949472), (84, 7670976), (96, 6712104), (112, 5753232), (126, 5113984), (128, 5034078), (144, 4474736), (168, 3835488), (192, 3356052), (224, 2876616), (252, 2556992), (256, 2517039), (288, 2237368), (336, 1917744), (384, 1678026), (448, 1438308), (504, 1278496), (576, 1118684), (672, 958872), (768, 839013), (896, 719154), (1008, 639248), (1152, 559342), (1344, 479436), (1792, 359577), (2016, 319624), (2304, 279671), (2688, 239718), (4032, 159812), (5376, 119859), (8064, 79906), (16128, 39953)]