209003984

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3541}}^1$

素因数の和:3604

約数の個数: 80

約数和(自身を含む): 505967616

約数和(自身を除く): 296963632

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 31, 34, 56, 62, 68, 112, 119, 124, 136, 217, 238, 248, 272, 434, 476, 496, 527, 868, 952, 1054, 1736, 1904, 2108, 3472, 3541, 3689, 4216, 7082, 7378, 8432, 14164, 14756, 24787, 28328, 29512, 49574, 56656, 59024, 60197, 99148, 109771, 120394, 198296, 219542, 240788, 396592, 421379, 439084, 481576, 768397, 842758, 878168, 963152, 1536794, 1685516, 1756336, 1866107, 3073588, 3371032, 3732214, 6147176, 6742064, 7464428, 12294352, 13062749, 14928856, 26125498, 29857712, 52250996, 104501992, 209003984]

約数ペア:

[(1, 209003984), (2, 104501992), (4, 52250996), (7, 29857712), (8, 26125498), (14, 14928856), (16, 13062749), (17, 12294352), (28, 7464428), (31, 6742064), (34, 6147176), (56, 3732214), (62, 3371032), (68, 3073588), (112, 1866107), (119, 1756336), (124, 1685516), (136, 1536794), (217, 963152), (238, 878168), (248, 842758), (272, 768397), (434, 481576), (476, 439084), (496, 421379), (527, 396592), (868, 240788), (952, 219542), (1054, 198296), (1736, 120394), (1904, 109771), (2108, 99148), (3472, 60197), (3541, 59024), (3689, 56656), (4216, 49574), (7082, 29512), (7378, 28328), (8432, 24787), (14164, 14756)]