638530816

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1117}}^1$

素因数の和:1180

約数の個数: 144

約数和(自身を含む): 1645338240

約数和(自身を除く): 1006807424

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 29, 32, 44, 56, 58, 64, 77, 88, 112, 116, 128, 154, 176, 203, 224, 232, 256, 308, 319, 352, 406, 448, 464, 616, 638, 704, 812, 896, 928, 1117, 1232, 1276, 1408, 1624, 1792, 1856, 2233, 2234, 2464, 2552, 2816, 3248, 3712, 4466, 4468, 4928, 5104, 6496, 7424, 7819, 8932, 8936, 9856, 10208, 12287, 12992, 15638, 17864, 17872, 19712, 20416, 24574, 25984, 31276, 32393, 35728, 35744, 40832, 49148, 51968, 62552, 64786, 71456, 71488, 81664, 86009, 98296, 125104, 129572, 142912, 142976, 172018, 196592, 226751, 250208, 259144, 285824, 285952, 344036, 356323, 393184, 453502, 500416, 518288, 571648, 688072, 712646, 786368, 907004, 1000832, 1036576, 1376144, 1425292, 1572736, 1814008, 2001664, 2073152, 2494261, 2752288, 2850584, 3145472, 3628016, 4146304, 4988522, 5504576, 5701168, 7256032, 8292608, 9977044, 11009152, 11402336, 14512064, 19954088, 22018304, 22804672, 29024128, 39908176, 45609344, 58048256, 79816352, 91218688, 159632704, 319265408, 638530816]

約数ペア:

[(1, 638530816), (2, 319265408), (4, 159632704), (7, 91218688), (8, 79816352), (11, 58048256), (14, 45609344), (16, 39908176), (22, 29024128), (28, 22804672), (29, 22018304), (32, 19954088), (44, 14512064), (56, 11402336), (58, 11009152), (64, 9977044), (77, 8292608), (88, 7256032), (112, 5701168), (116, 5504576), (128, 4988522), (154, 4146304), (176, 3628016), (203, 3145472), (224, 2850584), (232, 2752288), (256, 2494261), (308, 2073152), (319, 2001664), (352, 1814008), (406, 1572736), (448, 1425292), (464, 1376144), (616, 1036576), (638, 1000832), (704, 907004), (812, 786368), (896, 712646), (928, 688072), (1117, 571648), (1232, 518288), (1276, 500416), (1408, 453502), (1624, 393184), (1792, 356323), (1856, 344036), (2233, 285952), (2234, 285824), (2464, 259144), (2552, 250208), (2816, 226751), (3248, 196592), (3712, 172018), (4466, 142976), (4468, 142912), (4928, 129572), (5104, 125104), (6496, 98296), (7424, 86009), (7819, 81664), (8932, 71488), (8936, 71456), (9856, 64786), (10208, 62552), (12287, 51968), (12992, 49148), (15638, 40832), (17864, 35744), (17872, 35728), (19712, 32393), (20416, 31276), (24574, 25984)]