28897286

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^2\times {\mathrm{353}}^1$

素因数の和:488

約数の個数: 24

約数和(自身を含む): 48210552

約数和(自身を除く): 19313266

約数列:

[1, 2, 11, 22, 61, 122, 353, 671, 706, 1342, 3721, 3883, 7442, 7766, 21533, 40931, 43066, 81862, 236863, 473726, 1313513, 2627026, 14448643, 28897286]

約数ペア:

[(1, 28897286), (2, 14448643), (11, 2627026), (22, 1313513), (61, 473726), (122, 236863), (353, 81862), (671, 43066), (706, 40931), (1342, 21533), (3721, 7766), (3883, 7442)]