1280450138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{887}}^1\times {\mathrm{65617}}^1$

素因数の和:66517

約数の個数: 16

約数和(自身を含む): 2097676224

約数和(自身を除く): 817226086

約数列:

[1, 2, 11, 22, 887, 1774, 9757, 19514, 65617, 131234, 721787, 1443574, 58202279, 116404558, 640225069, 1280450138]

約数ペア:

[(1, 1280450138), (2, 640225069), (11, 116404558), (22, 58202279), (887, 1443574), (1774, 721787), (9757, 131234), (19514, 65617)]