25313701

素因数分解:

$7^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:193

約数の個数: 24

約数和(自身を含む): 30886272

約数和(自身を除く): 5572571

約数列:

[1, 7, 31, 53, 71, 217, 371, 497, 961, 1643, 2201, 3763, 6727, 11501, 15407, 26341, 50933, 68231, 116653, 356531, 477617, 816571, 3616243, 25313701]

約数ペア:

[(1, 25313701), (7, 3616243), (31, 816571), (53, 477617), (71, 356531), (217, 116653), (371, 68231), (497, 50933), (961, 26341), (1643, 15407), (2201, 11501), (3763, 6727)]