2261987

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:147

約数の個数: 24

約数和(自身を含む): 2930256

約数和(自身を除く): 668269

約数列:

[1, 7, 13, 49, 53, 67, 91, 371, 469, 637, 689, 871, 2597, 3283, 3551, 4823, 6097, 24857, 33761, 42679, 46163, 173999, 323141, 2261987]

約数ペア:

[(1, 2261987), (7, 323141), (13, 173999), (49, 46163), (53, 42679), (67, 33761), (91, 24857), (371, 6097), (469, 4823), (637, 3551), (689, 3283), (871, 2597)]