28686836

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1321}}^1$

素因数の和:1475

約数の個数: 24

約数和(自身を含む): 51637320

約数和(自身を除く): 22950484

約数列:

[1, 2, 4, 61, 89, 122, 178, 244, 356, 1321, 2642, 5284, 5429, 10858, 21716, 80581, 117569, 161162, 235138, 322324, 470276, 7171709, 14343418, 28686836]

約数ペア:

[(1, 28686836), (2, 14343418), (4, 7171709), (61, 470276), (89, 322324), (122, 235138), (178, 161162), (244, 117569), (356, 80581), (1321, 21716), (2642, 10858), (5284, 5429)]