51041809

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 67495680

約数和(自身を除く): 16453871

約数列:

[1, 7, 13, 19, 53, 91, 133, 247, 371, 557, 689, 1007, 1729, 3899, 4823, 7049, 7241, 10583, 13091, 29521, 50687, 74081, 91637, 137579, 206647, 383773, 560899, 963053, 2686411, 3926293, 7291687, 51041809]

約数ペア:

[(1, 51041809), (7, 7291687), (13, 3926293), (19, 2686411), (53, 963053), (91, 560899), (133, 383773), (247, 206647), (371, 137579), (557, 91637), (689, 74081), (1007, 50687), (1729, 29521), (3899, 13091), (4823, 10583), (7049, 7241)]