208020124

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{75479}}^1$

素因数の和:75549

約数の個数: 24

約数和(自身を含む): 399440160

約数和(自身を除く): 191420036

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 75479, 150958, 301916, 981227, 1962454, 3924908, 4000387, 8000774, 16001548, 52005031, 104010062, 208020124]

約数ペア:

[(1, 208020124), (2, 104010062), (4, 52005031), (13, 16001548), (26, 8000774), (52, 4000387), (53, 3924908), (106, 1962454), (212, 981227), (689, 301916), (1378, 150958), (2756, 75479)]