208859189

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{29}}^1\times {\mathrm{773}}^1$

素因数の和:842

約数の個数: 32

約数和(自身を含む): 271952640

約数和(自身を除く): 63093451

約数列:

[1, 7, 11, 29, 77, 121, 203, 319, 773, 847, 1331, 2233, 3509, 5411, 8503, 9317, 22417, 24563, 38599, 59521, 93533, 156919, 246587, 270193, 654731, 1028863, 1726109, 2712457, 7202041, 18987199, 29837027, 208859189]

約数ペア:

[(1, 208859189), (7, 29837027), (11, 18987199), (29, 7202041), (77, 2712457), (121, 1726109), (203, 1028863), (319, 654731), (773, 270193), (847, 246587), (1331, 156919), (2233, 93533), (3509, 59521), (5411, 38599), (8503, 24563), (9317, 22417)]