258383321

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{2689}}^1$

素因数の和:2793

約数の個数: 24

約数和(自身を含む): 314633160

約数和(自身を除く): 56249839

約数列:

[1, 7, 37, 49, 53, 259, 371, 1813, 1961, 2597, 2689, 13727, 18823, 96089, 99493, 131761, 142517, 696451, 997619, 4875157, 5273129, 6983333, 36911903, 258383321]

約数ペア:

[(1, 258383321), (7, 36911903), (37, 6983333), (49, 5273129), (53, 4875157), (259, 997619), (371, 696451), (1813, 142517), (1961, 131761), (2597, 99493), (2689, 96089), (13727, 18823)]