289881856

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{331}}^1$

素因数の和:669

約数の個数: 72

約数和(自身を含む): 635177088

約数和(自身を除く): 345295232

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 311, 331, 352, 622, 662, 704, 1244, 1324, 1408, 2488, 2648, 2816, 3421, 3641, 4976, 5296, 6842, 7282, 9952, 10592, 13684, 14564, 19904, 21184, 27368, 29128, 39808, 42368, 54736, 58256, 79616, 84736, 102941, 109472, 116512, 205882, 218944, 233024, 411764, 437888, 466048, 823528, 875776, 932096, 1132351, 1647056, 2264702, 3294112, 4529404, 6588224, 9058808, 13176448, 18117616, 26352896, 36235232, 72470464, 144940928, 289881856]

約数ペア:

[(1, 289881856), (2, 144940928), (4, 72470464), (8, 36235232), (11, 26352896), (16, 18117616), (22, 13176448), (32, 9058808), (44, 6588224), (64, 4529404), (88, 3294112), (128, 2264702), (176, 1647056), (256, 1132351), (311, 932096), (331, 875776), (352, 823528), (622, 466048), (662, 437888), (704, 411764), (1244, 233024), (1324, 218944), (1408, 205882), (2488, 116512), (2648, 109472), (2816, 102941), (3421, 84736), (3641, 79616), (4976, 58256), (5296, 54736), (6842, 42368), (7282, 39808), (9952, 29128), (10592, 27368), (13684, 21184), (14564, 19904)]