15561328

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{6997}}^1$

素因数の和:7144

約数の個数: 20

約数和(自身を含む): 30371320

約数和(自身を除く): 14809992

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 6997, 13994, 27988, 55976, 111952, 972583, 1945166, 3890332, 7780664, 15561328]

約数ペア:

[(1, 15561328), (2, 7780664), (4, 3890332), (8, 1945166), (16, 972583), (139, 111952), (278, 55976), (556, 27988), (1112, 13994), (2224, 6997)]