257442

素因数分解:

$2^1\times 3^1\times {\mathrm{107}}^1\times {\mathrm{401}}^1$

素因数の和:513

約数の個数: 16

約数和(自身を含む): 520992

約数和(自身を除く): 263550

約数列:

[1, 2, 3, 6, 107, 214, 321, 401, 642, 802, 1203, 2406, 42907, 85814, 128721, 257442]

約数ペア:

[(1, 257442), (2, 128721), (3, 85814), (6, 42907), (107, 2406), (214, 1203), (321, 802), (401, 642)]