637927424

素因数分解:

$2^{17}\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:222

約数の個数: 72

約数和(自身を含む): 1325395008

約数和(自身を除く): 687467584

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 157, 248, 256, 314, 496, 512, 628, 992, 1024, 1256, 1984, 2048, 2512, 3968, 4096, 4867, 5024, 7936, 8192, 9734, 10048, 15872, 16384, 19468, 20096, 31744, 32768, 38936, 40192, 63488, 65536, 77872, 80384, 126976, 131072, 155744, 160768, 253952, 311488, 321536, 507904, 622976, 643072, 1015808, 1245952, 1286144, 2031616, 2491904, 2572288, 4063232, 4983808, 5144576, 9967616, 10289152, 19935232, 20578304, 39870464, 79740928, 159481856, 318963712, 637927424]

約数ペア:

[(1, 637927424), (2, 318963712), (4, 159481856), (8, 79740928), (16, 39870464), (31, 20578304), (32, 19935232), (62, 10289152), (64, 9967616), (124, 5144576), (128, 4983808), (157, 4063232), (248, 2572288), (256, 2491904), (314, 2031616), (496, 1286144), (512, 1245952), (628, 1015808), (992, 643072), (1024, 622976), (1256, 507904), (1984, 321536), (2048, 311488), (2512, 253952), (3968, 160768), (4096, 155744), (4867, 131072), (5024, 126976), (7936, 80384), (8192, 77872), (9734, 65536), (10048, 63488), (15872, 40192), (16384, 38936), (19468, 32768), (20096, 31744)]