209580478

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1\times {\mathrm{4493}}^1$

素因数の和:4859

約数の個数: 16

約数和(自身を含む): 319361616

約数和(自身を除く): 109781138

約数列:

[1, 2, 83, 166, 281, 562, 4493, 8986, 23323, 46646, 372919, 745838, 1262533, 2525066, 104790239, 209580478]

約数ペア:

[(1, 209580478), (2, 104790239), (83, 2525066), (166, 1262533), (281, 745838), (562, 372919), (4493, 46646), (8986, 23323)]