161540586

素因数分解:

$2^1\times 3^2\times {\mathrm{439}}^1\times {\mathrm{20443}}^1$

素因数の和:20890

約数の個数: 24

約数和(自身を含む): 350819040

約数和(自身を除く): 189278454

約数列:

[1, 2, 3, 6, 9, 18, 439, 878, 1317, 2634, 3951, 7902, 20443, 40886, 61329, 122658, 183987, 367974, 8974477, 17948954, 26923431, 53846862, 80770293, 161540586]

約数ペア:

[(1, 161540586), (2, 80770293), (3, 53846862), (6, 26923431), (9, 17948954), (18, 8974477), (439, 367974), (878, 183987), (1317, 122658), (2634, 61329), (3951, 40886), (7902, 20443)]