989841535

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{20407}}^1$

素因数の和:20610

約数の個数: 16

約数和(自身を含む): 1212235200

約数和(自身を除く): 222393665

約数列:

[1, 5, 89, 109, 445, 545, 9701, 20407, 48505, 102035, 1816223, 2224363, 9081115, 11121815, 197968307, 989841535]

約数ペア:

[(1, 989841535), (5, 197968307), (89, 11121815), (109, 9081115), (445, 2224363), (545, 1816223), (9701, 102035), (20407, 48505)]