278313295

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1031}}^1\times {\mathrm{4153}}^1$

素因数の和:5202

約数の個数: 16

約数和(自身を含む): 360101952

約数和(自身を除く): 81788657

約数列:

[1, 5, 13, 65, 1031, 4153, 5155, 13403, 20765, 53989, 67015, 269945, 4281743, 21408715, 55662659, 278313295]

約数ペア:

[(1, 278313295), (5, 55662659), (13, 21408715), (65, 4281743), (1031, 269945), (4153, 67015), (5155, 53989), (13403, 20765)]