81321448

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{60149}}^1$

素因数の和:60181

約数の個数: 24

約数和(自身を含む): 165111750

約数和(自身を除く): 83790302

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 60149, 120298, 240596, 481192, 781937, 1563874, 3127748, 6255496, 10165181, 20330362, 40660724, 81321448]

約数ペア:

[(1, 81321448), (2, 40660724), (4, 20330362), (8, 10165181), (13, 6255496), (26, 3127748), (52, 1563874), (104, 781937), (169, 481192), (338, 240596), (676, 120298), (1352, 60149)]