639778816

素因数分解:

$2^{14}\times {\mathrm{17}}^1\times {\mathrm{2297}}^1$

素因数の和:2342

約数の個数: 60

約数和(自身を含む): 1355374188

約数和(自身を除く): 715595372

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1024, 1088, 2048, 2176, 2297, 4096, 4352, 4594, 8192, 8704, 9188, 16384, 17408, 18376, 34816, 36752, 39049, 69632, 73504, 78098, 139264, 147008, 156196, 278528, 294016, 312392, 588032, 624784, 1176064, 1249568, 2352128, 2499136, 4704256, 4998272, 9408512, 9996544, 18817024, 19993088, 37634048, 39986176, 79972352, 159944704, 319889408, 639778816]

約数ペア:

[(1, 639778816), (2, 319889408), (4, 159944704), (8, 79972352), (16, 39986176), (17, 37634048), (32, 19993088), (34, 18817024), (64, 9996544), (68, 9408512), (128, 4998272), (136, 4704256), (256, 2499136), (272, 2352128), (512, 1249568), (544, 1176064), (1024, 624784), (1088, 588032), (2048, 312392), (2176, 294016), (2297, 278528), (4096, 156196), (4352, 147008), (4594, 139264), (8192, 78098), (8704, 73504), (9188, 69632), (16384, 39049), (17408, 36752), (18376, 34816)]