245725249

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6421}}^1$

素因数の和:6517

約数の個数: 24

約数和(自身を含む): 316270656

約数和(自身を除く): 70545407

約数列:

[1, 7, 11, 49, 71, 77, 497, 539, 781, 3479, 5467, 6421, 38269, 44947, 70631, 314629, 455891, 494417, 3191237, 3460919, 5014801, 22338659, 35103607, 245725249]

約数ペア:

[(1, 245725249), (7, 35103607), (11, 22338659), (49, 5014801), (71, 3460919), (77, 3191237), (497, 494417), (539, 455891), (781, 314629), (3479, 70631), (5467, 44947), (6421, 38269)]