278322395

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{21517}}^1$

素因数の和:21734

約数の個数: 16

約数和(自身を含む): 361502400

約数和(自身を除く): 83180005

約数列:

[1, 5, 13, 65, 199, 995, 2587, 12935, 21517, 107585, 279721, 1398605, 4281883, 21409415, 55664479, 278322395]

約数ペア:

[(1, 278322395), (5, 55664479), (13, 21409415), (65, 4281883), (199, 1398605), (995, 279721), (2587, 107585), (12935, 21517)]