256492805

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1\times {\mathrm{1663}}^1$

素因数の和:2060

約数の個数: 16

約数和(自身を含む): 311900160

約数和(自身を除く): 55407355

約数列:

[1, 5, 109, 283, 545, 1415, 1663, 8315, 30847, 154235, 181267, 470629, 906335, 2353145, 51298561, 256492805]

約数ペア:

[(1, 256492805), (5, 51298561), (109, 2353145), (283, 906335), (545, 470629), (1415, 181267), (1663, 154235), (8315, 30847)]