131905232

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{21193}}^1$

素因数の和:21590

約数の個数: 20

約数和(自身を含む): 256235460

約数和(自身を除く): 124330228

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 6224, 21193, 42386, 84772, 169544, 339088, 8244077, 16488154, 32976308, 65952616, 131905232]

約数ペア:

[(1, 131905232), (2, 65952616), (4, 32976308), (8, 16488154), (16, 8244077), (389, 339088), (778, 169544), (1556, 84772), (3112, 42386), (6224, 21193)]