813903095

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{208961}}^1$

素因数の和:209026

約数の個数: 16

約数和(自身を含む): 1053168480

約数和(自身を除く): 239265385

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 208961, 1044805, 3970259, 8567401, 19851295, 42837005, 162780619, 813903095]

約数ペア:

[(1, 813903095), (5, 162780619), (19, 42837005), (41, 19851295), (95, 8567401), (205, 3970259), (779, 1044805), (3895, 208961)]