316471808

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:333

約数の個数: 80

約数和(自身を含む): 662052864

約数和(自身を除く): 345581056

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 127, 128, 157, 248, 254, 256, 314, 496, 508, 512, 628, 992, 1016, 1256, 1984, 2032, 2512, 3937, 3968, 4064, 4867, 5024, 7874, 7936, 8128, 9734, 10048, 15748, 15872, 16256, 19468, 19939, 20096, 31496, 32512, 38936, 39878, 40192, 62992, 65024, 77872, 79756, 80384, 125984, 155744, 159512, 251968, 311488, 319024, 503936, 618109, 622976, 638048, 1007872, 1236218, 1245952, 1276096, 2015744, 2472436, 2491904, 2552192, 4944872, 5104384, 9889744, 10208768, 19779488, 39558976, 79117952, 158235904, 316471808]

約数ペア:

[(1, 316471808), (2, 158235904), (4, 79117952), (8, 39558976), (16, 19779488), (31, 10208768), (32, 9889744), (62, 5104384), (64, 4944872), (124, 2552192), (127, 2491904), (128, 2472436), (157, 2015744), (248, 1276096), (254, 1245952), (256, 1236218), (314, 1007872), (496, 638048), (508, 622976), (512, 618109), (628, 503936), (992, 319024), (1016, 311488), (1256, 251968), (1984, 159512), (2032, 155744), (2512, 125984), (3937, 80384), (3968, 79756), (4064, 77872), (4867, 65024), (5024, 62992), (7874, 40192), (7936, 39878), (8128, 38936), (9734, 32512), (10048, 31496), (15748, 20096), (15872, 19939), (16256, 19468)]