209916212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1319}}^1\times {\mathrm{3617}}^1$

素因数の和:4951

約数の個数: 24

約数和(自身を含む): 401163840

約数和(自身を除く): 191247628

約数列:

[1, 2, 4, 11, 22, 44, 1319, 2638, 3617, 5276, 7234, 14468, 14509, 29018, 39787, 58036, 79574, 159148, 4770823, 9541646, 19083292, 52479053, 104958106, 209916212]

約数ペア:

[(1, 209916212), (2, 104958106), (4, 52479053), (11, 19083292), (22, 9541646), (44, 4770823), (1319, 159148), (2638, 79574), (3617, 58036), (5276, 39787), (7234, 29018), (14468, 14509)]