28828865

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:453

約数の個数: 24

約数和(自身を含む): 37924920

約数和(自身を除く): 9096055

約数列:

[1, 5, 13, 65, 109, 169, 313, 545, 845, 1417, 1565, 4069, 7085, 18421, 20345, 34117, 52897, 92105, 170585, 264485, 443521, 2217605, 5765773, 28828865]

約数ペア:

[(1, 28828865), (5, 5765773), (13, 2217605), (65, 443521), (109, 264485), (169, 170585), (313, 92105), (545, 52897), (845, 34117), (1417, 20345), (1565, 18421), (4069, 7085)]