289901626

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{390703}}^1$

素因数の和:390765

約数の個数: 16

約数和(自身を含む): 506352384

約数和(自身を除く): 216450758

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 390703, 781406, 2734921, 5469842, 20707259, 41414518, 144950813, 289901626]

約数ペア:

[(1, 289901626), (2, 144950813), (7, 41414518), (14, 20707259), (53, 5469842), (106, 2734921), (371, 781406), (742, 390703)]