1291245490

素因数分解:

$2^1\times 5^1\times {\mathrm{2459}}^1\times {\mathrm{52511}}^1$

素因数の和:54977

約数の個数: 16

約数和(自身を含む): 2325231360

約数和(自身を除く): 1033985870

約数列:

[1, 2, 5, 10, 2459, 4918, 12295, 24590, 52511, 105022, 262555, 525110, 129124549, 258249098, 645622745, 1291245490]

約数ペア:

[(1, 1291245490), (2, 645622745), (5, 258249098), (10, 129124549), (2459, 525110), (4918, 262555), (12295, 105022), (24590, 52511)]