28651772

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{1361}}^1$

素因数の和:1661

約数の個数: 24

約数和(自身を含む): 53009040

約数和(自身を除く): 24357268

約数列:

[1, 2, 4, 19, 38, 76, 277, 554, 1108, 1361, 2722, 5263, 5444, 10526, 21052, 25859, 51718, 103436, 376997, 753994, 1507988, 7162943, 14325886, 28651772]

約数ペア:

[(1, 28651772), (2, 14325886), (4, 7162943), (19, 1507988), (38, 753994), (76, 376997), (277, 103436), (554, 51718), (1108, 25859), (1361, 21052), (2722, 10526), (5263, 5444)]