217302005

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{10007}}^1$

素因数の和:10156

約数の個数: 16

約数和(自身を含む): 269495424

約数和(自身を除く): 52193419

約数列:

[1, 5, 43, 101, 215, 505, 4343, 10007, 21715, 50035, 430301, 1010707, 2151505, 5053535, 43460401, 217302005]

約数ペア:

[(1, 217302005), (5, 43460401), (43, 5053535), (101, 2151505), (215, 1010707), (505, 430301), (4343, 50035), (10007, 21715)]