281585152

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:319

約数の個数: 80

約数和(自身を含む): 589640832

約数和(自身を除く): 308055680

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 113, 124, 128, 157, 226, 248, 256, 314, 452, 496, 512, 628, 904, 992, 1256, 1808, 1984, 2512, 3503, 3616, 3968, 4867, 5024, 7006, 7232, 7936, 9734, 10048, 14012, 14464, 15872, 17741, 19468, 20096, 28024, 28928, 35482, 38936, 40192, 56048, 57856, 70964, 77872, 80384, 112096, 141928, 155744, 224192, 283856, 311488, 448384, 549971, 567712, 622976, 896768, 1099942, 1135424, 1245952, 1793536, 2199884, 2270848, 2491904, 4399768, 4541696, 8799536, 9083392, 17599072, 35198144, 70396288, 140792576, 281585152]

約数ペア:

[(1, 281585152), (2, 140792576), (4, 70396288), (8, 35198144), (16, 17599072), (31, 9083392), (32, 8799536), (62, 4541696), (64, 4399768), (113, 2491904), (124, 2270848), (128, 2199884), (157, 1793536), (226, 1245952), (248, 1135424), (256, 1099942), (314, 896768), (452, 622976), (496, 567712), (512, 549971), (628, 448384), (904, 311488), (992, 283856), (1256, 224192), (1808, 155744), (1984, 141928), (2512, 112096), (3503, 80384), (3616, 77872), (3968, 70964), (4867, 57856), (5024, 56048), (7006, 40192), (7232, 38936), (7936, 35482), (9734, 28928), (10048, 28024), (14012, 20096), (14464, 19468), (15872, 17741)]