858704890

素因数分解:

$2^1\times 5^1\times {\mathrm{20807}}^1\times {\mathrm{4127}}^1$

素因数の和:24941

約数の個数: 16

約数和(自身を含む): 1546117632

約数和(自身を除く): 687412742

約数列:

[1, 2, 5, 10, 4127, 8254, 20635, 20807, 41270, 41614, 104035, 208070, 85870489, 171740978, 429352445, 858704890]

約数ペア:

[(1, 858704890), (2, 429352445), (5, 171740978), (10, 85870489), (4127, 208070), (8254, 104035), (20635, 41614), (20807, 41270)]