28267790

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{38723}}^1$

素因数の和:38803

約数の個数: 16

約数和(自身を含む): 51580368

約数和(自身を除く): 23312578

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 38723, 77446, 193615, 387230, 2826779, 5653558, 14133895, 28267790]

約数ペア:

[(1, 28267790), (2, 14133895), (5, 5653558), (10, 2826779), (73, 387230), (146, 193615), (365, 77446), (730, 38723)]