28391538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{6563}}^1$

素因数の和:6678

約数の個数: 32

約数和(自身を含む): 65534976

約数和(自身を除く): 37143438

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 103, 206, 309, 618, 721, 1442, 2163, 4326, 6563, 13126, 19689, 39378, 45941, 91882, 137823, 275646, 675989, 1351978, 2027967, 4055934, 4731923, 9463846, 14195769, 28391538]

約数ペア:

[(1, 28391538), (2, 14195769), (3, 9463846), (6, 4731923), (7, 4055934), (14, 2027967), (21, 1351978), (42, 675989), (103, 275646), (206, 137823), (309, 91882), (618, 45941), (721, 39378), (1442, 19689), (2163, 13126), (4326, 6563)]