208020644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{17939}}^1$

素因数の和:18179

約数の個数: 24

約数和(自身を含む): 393818880

約数和(自身を除く): 185798236

約数列:

[1, 2, 4, 13, 26, 52, 223, 446, 892, 2899, 5798, 11596, 17939, 35878, 71756, 233207, 466414, 932828, 4000397, 8000794, 16001588, 52005161, 104010322, 208020644]

約数ペア:

[(1, 208020644), (2, 104010322), (4, 52005161), (13, 16001588), (26, 8000794), (52, 4000397), (223, 932828), (446, 466414), (892, 233207), (2899, 71756), (5798, 35878), (11596, 17939)]