28120568

素因数分解:

$2^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2549}}^1$

素因数の和:2759

約数の個数: 32

約数和(自身を含む): 60588000

約数和(自身を除く): 32467432

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 197, 394, 788, 1379, 1576, 2549, 2758, 5098, 5516, 10196, 11032, 17843, 20392, 35686, 71372, 142744, 502153, 1004306, 2008612, 3515071, 4017224, 7030142, 14060284, 28120568]

約数ペア:

[(1, 28120568), (2, 14060284), (4, 7030142), (7, 4017224), (8, 3515071), (14, 2008612), (28, 1004306), (56, 502153), (197, 142744), (394, 71372), (788, 35686), (1379, 20392), (1576, 17843), (2549, 11032), (2758, 10196), (5098, 5516)]