64478838784

素因数分解:

$2^{16}\times {\mathrm{61}}^1\times {\mathrm{127}}^2$

素因数の和:347

約数の個数: 102

約数和(自身を含む): 132110917314

約数和(自身を除く): 67632078530

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 127, 128, 244, 254, 256, 488, 508, 512, 976, 1016, 1024, 1952, 2032, 2048, 3904, 4064, 4096, 7747, 7808, 8128, 8192, 15494, 15616, 16129, 16256, 16384, 30988, 31232, 32258, 32512, 32768, 61976, 62464, 64516, 65024, 65536, 123952, 124928, 129032, 130048, 247904, 249856, 258064, 260096, 495808, 499712, 516128, 520192, 983869, 991616, 999424, 1032256, 1040384, 1967738, 1983232, 1998848, 2064512, 2080768, 3935476, 3966464, 3997696, 4129024, 4161536, 7870952, 7932928, 8258048, 8323072, 15741904, 15865856, 16516096, 31483808, 31731712, 33032192, 62967616, 63463424, 66064384, 125935232, 126926848, 132128768, 251870464, 253853696, 264257536, 503740928, 507707392, 528515072, 1007481856, 1057030144, 2014963712, 4029927424, 8059854848, 16119709696, 32239419392, 64478838784]

約数ペア:

[(1, 64478838784), (2, 32239419392), (4, 16119709696), (8, 8059854848), (16, 4029927424), (32, 2014963712), (61, 1057030144), (64, 1007481856), (122, 528515072), (127, 507707392), (128, 503740928), (244, 264257536), (254, 253853696), (256, 251870464), (488, 132128768), (508, 126926848), (512, 125935232), (976, 66064384), (1016, 63463424), (1024, 62967616), (1952, 33032192), (2032, 31731712), (2048, 31483808), (3904, 16516096), (4064, 15865856), (4096, 15741904), (7747, 8323072), (7808, 8258048), (8128, 7932928), (8192, 7870952), (15494, 4161536), (15616, 4129024), (16129, 3997696), (16256, 3966464), (16384, 3935476), (30988, 2080768), (31232, 2064512), (32258, 1998848), (32512, 1983232), (32768, 1967738), (61976, 1040384), (62464, 1032256), (64516, 999424), (65024, 991616), (65536, 983869), (123952, 520192), (124928, 516128), (129032, 499712), (130048, 495808), (247904, 260096), (249856, 258064)]