199912805

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{32063}}^1$

素因数の和:32140

約数の個数: 16

約数和(自身を含む): 253946880

約数和(自身を除く): 54034075

約数列:

[1, 5, 29, 43, 145, 215, 1247, 6235, 32063, 160315, 929827, 1378709, 4649135, 6893545, 39982561, 199912805]

約数ペア:

[(1, 199912805), (5, 39982561), (29, 6893545), (43, 4649135), (145, 1378709), (215, 929827), (1247, 160315), (6235, 32063)]