8721021712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{471101}}^1$

素因数の和:471211

約数の個数: 40

約数和(自身を含む): 18401244120

約数和(自身を除く): 9680222408

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 178, 208, 356, 712, 1157, 1424, 2314, 4628, 9256, 18512, 471101, 942202, 1884404, 3768808, 6124313, 7537616, 12248626, 24497252, 41927989, 48994504, 83855978, 97989008, 167711956, 335423912, 545063857, 670847824, 1090127714, 2180255428, 4360510856, 8721021712]

約数ペア:

[(1, 8721021712), (2, 4360510856), (4, 2180255428), (8, 1090127714), (13, 670847824), (16, 545063857), (26, 335423912), (52, 167711956), (89, 97989008), (104, 83855978), (178, 48994504), (208, 41927989), (356, 24497252), (712, 12248626), (1157, 7537616), (1424, 6124313), (2314, 3768808), (4628, 1884404), (9256, 942202), (18512, 471101)]