257445214

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{230273}}^1$

素因数の和:230331

約数の個数: 16

約数和(自身を含む): 425546352

約数和(自身を除く): 168101138

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 230273, 460546, 2993549, 5987098, 9901739, 19803478, 128722607, 257445214]

約数ペア:

[(1, 257445214), (2, 128722607), (13, 19803478), (26, 9901739), (43, 5987098), (86, 2993549), (559, 460546), (1118, 230273)]