281004890

素因数分解:

$2^1\times 5^1\times {\mathrm{6689}}^1\times {\mathrm{4201}}^1$

素因数の和:10897

約数の個数: 16

約数和(自身を含む): 506004840

約数和(自身を除く): 224999950

約数列:

[1, 2, 5, 10, 4201, 6689, 8402, 13378, 21005, 33445, 42010, 66890, 28100489, 56200978, 140502445, 281004890]

約数ペア:

[(1, 281004890), (2, 140502445), (5, 56200978), (10, 28100489), (4201, 66890), (6689, 42010), (8402, 33445), (13378, 21005)]