1820605

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:236

約数の個数: 16

約数和(自身を含む): 2286144

約数和(自身を除く): 465539

約数列:

[1, 5, 41, 83, 107, 205, 415, 535, 3403, 4387, 8881, 17015, 21935, 44405, 364121, 1820605]

約数ペア:

[(1, 1820605), (5, 364121), (41, 44405), (83, 21935), (107, 17015), (205, 8881), (415, 4387), (535, 3403)]