28127605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 39657600

約数和(自身を除く): 11529995

約数列:

[1, 5, 11, 17, 55, 67, 85, 187, 335, 449, 737, 935, 1139, 2245, 3685, 4939, 5695, 7633, 12529, 24695, 30083, 38165, 62645, 83963, 150415, 330913, 419815, 511411, 1654565, 2557055, 5625521, 28127605]

約数ペア:

[(1, 28127605), (5, 5625521), (11, 2557055), (17, 1654565), (55, 511411), (67, 419815), (85, 330913), (187, 150415), (335, 83963), (449, 62645), (737, 38165), (935, 30083), (1139, 24695), (2245, 12529), (3685, 7633), (4939, 5695)]