5318215

素因数分解:

$5^1\times 7^4\times {\mathrm{443}}^1$

素因数の和:476

約数の個数: 20

約数和(自身を含む): 7461864

約数和(自身を除く): 2143649

約数列:

[1, 5, 7, 35, 49, 245, 343, 443, 1715, 2215, 2401, 3101, 12005, 15505, 21707, 108535, 151949, 759745, 1063643, 5318215]

約数ペア:

[(1, 5318215), (5, 1063643), (7, 759745), (35, 151949), (49, 108535), (245, 21707), (343, 15505), (443, 12005), (1715, 3101), (2215, 2401)]