28721890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{99041}}^1$

素因数の和:99077

約数の個数: 16

約数和(自身を含む): 53482680

約数和(自身を除く): 24760790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 99041, 198082, 495205, 990410, 2872189, 5744378, 14360945, 28721890]

約数ペア:

[(1, 28721890), (2, 14360945), (5, 5744378), (10, 2872189), (29, 990410), (58, 495205), (145, 198082), (290, 99041)]