12156557

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 14971392

約数和(自身を除く): 2814835

約数列:

[1, 7, 31, 49, 53, 151, 217, 371, 1057, 1519, 1643, 2597, 4681, 7399, 8003, 11501, 32767, 56021, 80507, 229369, 248093, 392147, 1736651, 12156557]

約数ペア:

[(1, 12156557), (7, 1736651), (31, 392147), (49, 248093), (53, 229369), (151, 80507), (217, 56021), (371, 32767), (1057, 11501), (1519, 8003), (1643, 7399), (2597, 4681)]