51280411

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{223}}^1$

素因数の和:288

約数の個数: 36

約数和(自身を含む): 68104512

約数和(自身を除く): 16824101

約数列:

[1, 7, 13, 19, 49, 91, 133, 223, 247, 361, 637, 931, 1561, 1729, 2527, 2899, 4237, 4693, 10927, 12103, 17689, 20293, 29659, 32851, 55081, 80503, 142051, 207613, 229957, 385567, 563521, 1046539, 2698969, 3944647, 7325773, 51280411]

約数ペア:

[(1, 51280411), (7, 7325773), (13, 3944647), (19, 2698969), (49, 1046539), (91, 563521), (133, 385567), (223, 229957), (247, 207613), (361, 142051), (637, 80503), (931, 55081), (1561, 32851), (1729, 29659), (2527, 20293), (2899, 17689), (4237, 12103), (4693, 10927)]