209804972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{10163}}^1$

素因数の和:10577

約数の個数: 24

約数和(自身を含む): 396436656

約数和(自身を除く): 186631684

約数列:

[1, 2, 4, 13, 26, 52, 397, 794, 1588, 5161, 10163, 10322, 20326, 20644, 40652, 132119, 264238, 528476, 4034711, 8069422, 16138844, 52451243, 104902486, 209804972]

約数ペア:

[(1, 209804972), (2, 104902486), (4, 52451243), (13, 16138844), (26, 8069422), (52, 4034711), (397, 528476), (794, 264238), (1588, 132119), (5161, 40652), (10163, 20644), (10322, 20326)]