2638448

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{1601}}^1$

素因数の和:1712

約数の個数: 20

約数和(自身を含む): 5164848

約数和(自身を除く): 2526400

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1601, 1648, 3202, 6404, 12808, 25616, 164903, 329806, 659612, 1319224, 2638448]

約数ペア:

[(1, 2638448), (2, 1319224), (4, 659612), (8, 329806), (16, 164903), (103, 25616), (206, 12808), (412, 6404), (824, 3202), (1601, 1648)]