1257664

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:512

約数の個数: 28

約数和(自身を含む): 2559304

約数和(自身を除く): 1301640

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 344, 457, 688, 914, 1376, 1828, 2752, 3656, 7312, 14624, 19651, 29248, 39302, 78604, 157208, 314416, 628832, 1257664]

約数ペア:

[(1, 1257664), (2, 628832), (4, 314416), (8, 157208), (16, 78604), (32, 39302), (43, 29248), (64, 19651), (86, 14624), (172, 7312), (344, 3656), (457, 2752), (688, 1828), (914, 1376)]