128273474

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{42223}}^1$

素因数の和:42270

約数の個数: 24

約数和(自身を含む): 231049728

約数和(自身を除く): 102776254

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 217, 434, 1519, 3038, 42223, 84446, 295561, 591122, 1308913, 2068927, 2617826, 4137854, 9162391, 18324782, 64136737, 128273474]

約数ペア:

[(1, 128273474), (2, 64136737), (7, 18324782), (14, 9162391), (31, 4137854), (49, 2617826), (62, 2068927), (98, 1308913), (217, 591122), (434, 295561), (1519, 84446), (3038, 42223)]