257900242

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{829}}^1\times {\mathrm{6763}}^1$

素因数の和:7617

約数の個数: 16

約数和(自身を含む): 404216640

約数和(自身を除く): 146316398

約数列:

[1, 2, 23, 46, 829, 1658, 6763, 13526, 19067, 38134, 155549, 311098, 5606527, 11213054, 128950121, 257900242]

約数ペア:

[(1, 257900242), (2, 128950121), (23, 11213054), (46, 5606527), (829, 311098), (1658, 155549), (6763, 38134), (13526, 19067)]