15721081988

素因数分解:

$2^2\times {\mathrm{199}}^1\times {\mathrm{1447}}^1\times {\mathrm{13649}}^1$

素因数の和:15299

約数の個数: 24

約数和(自身を含む): 27671280000

約数和(自身を除く): 11950198012

約数列:

[1, 2, 4, 199, 398, 796, 1447, 2894, 5788, 13649, 27298, 54596, 287953, 575906, 1151812, 2716151, 5432302, 10864604, 19750103, 39500206, 79000412, 3930270497, 7860540994, 15721081988]

約数ペア:

[(1, 15721081988), (2, 7860540994), (4, 3930270497), (199, 79000412), (398, 39500206), (796, 19750103), (1447, 10864604), (2894, 5432302), (5788, 2716151), (13649, 1151812), (27298, 575906), (54596, 287953)]