280768318

素因数分解:

$2^1\times {\mathrm{47}}^2\times {\mathrm{103}}^1\times {\mathrm{617}}^1$

素因数の和:816

約数の個数: 24

約数和(自身を含む): 435185712

約数和(自身を除く): 154417394

約数列:

[1, 2, 47, 94, 103, 206, 617, 1234, 2209, 4418, 4841, 9682, 28999, 57998, 63551, 127102, 227527, 455054, 1362953, 2725906, 2986897, 5973794, 140384159, 280768318]

約数ペア:

[(1, 280768318), (2, 140384159), (47, 5973794), (94, 2986897), (103, 2725906), (206, 1362953), (617, 455054), (1234, 227527), (2209, 127102), (4418, 63551), (4841, 57998), (9682, 28999)]