209807972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1811}}^1\times {\mathrm{2633}}^1$

素因数の和:4459

約数の個数: 24

約数和(自身を含む): 400915872

約数和(自身を除く): 191107900

約数列:

[1, 2, 4, 11, 22, 44, 1811, 2633, 3622, 5266, 7244, 10532, 19921, 28963, 39842, 57926, 79684, 115852, 4768363, 9536726, 19073452, 52451993, 104903986, 209807972]

約数ペア:

[(1, 209807972), (2, 104903986), (4, 52451993), (11, 19073452), (22, 9536726), (44, 4768363), (1811, 115852), (2633, 79684), (3622, 57926), (5266, 39842), (7244, 28963), (10532, 19921)]