291210752

素因数分解:

$2^9\times 7^1\times {\mathrm{193}}^1\times {\mathrm{421}}^1$

素因数の和:639

約数の個数: 80

約数和(自身を含む): 670007712

約数和(自身を除く): 378796960

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 193, 224, 256, 386, 421, 448, 512, 772, 842, 896, 1351, 1544, 1684, 1792, 2702, 2947, 3088, 3368, 3584, 5404, 5894, 6176, 6736, 10808, 11788, 12352, 13472, 21616, 23576, 24704, 26944, 43232, 47152, 49408, 53888, 81253, 86464, 94304, 98816, 107776, 162506, 172928, 188608, 215552, 325012, 345856, 377216, 568771, 650024, 691712, 754432, 1137542, 1300048, 1508864, 2275084, 2600096, 4550168, 5200192, 9100336, 10400384, 18200672, 20800768, 36401344, 41601536, 72802688, 145605376, 291210752]

約数ペア:

[(1, 291210752), (2, 145605376), (4, 72802688), (7, 41601536), (8, 36401344), (14, 20800768), (16, 18200672), (28, 10400384), (32, 9100336), (56, 5200192), (64, 4550168), (112, 2600096), (128, 2275084), (193, 1508864), (224, 1300048), (256, 1137542), (386, 754432), (421, 691712), (448, 650024), (512, 568771), (772, 377216), (842, 345856), (896, 325012), (1351, 215552), (1544, 188608), (1684, 172928), (1792, 162506), (2702, 107776), (2947, 98816), (3088, 94304), (3368, 86464), (3584, 81253), (5404, 53888), (5894, 49408), (6176, 47152), (6736, 43232), (10808, 26944), (11788, 24704), (12352, 23576), (13472, 21616)]