3998956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1451}}^1$

素因数の和:1521

約数の個数: 24

約数和(自身を含む): 7683984

約数和(自身を除く): 3685028

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 1451, 2756, 2902, 5804, 18863, 37726, 75452, 76903, 153806, 307612, 999739, 1999478, 3998956]

約数ペア:

[(1, 3998956), (2, 1999478), (4, 999739), (13, 307612), (26, 153806), (52, 76903), (53, 75452), (106, 37726), (212, 18863), (689, 5804), (1378, 2902), (1451, 2756)]