257392465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{114143}}^1$

素因数の和:114200

約数の個数: 16

約数和(自身を含む): 345171456

約数和(自身を除く): 87778991

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 114143, 570715, 1255573, 4679863, 6277865, 23399315, 51478493, 257392465]

約数ペア:

[(1, 257392465), (5, 51478493), (11, 23399315), (41, 6277865), (55, 4679863), (205, 1255573), (451, 570715), (2255, 114143)]