2800985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{401}}^1$

素因数の和:544

約数の個数: 16

約数和(自身を含む): 3704832

約数和(自身を除く): 903847

約数列:

[1, 5, 11, 55, 127, 401, 635, 1397, 2005, 4411, 6985, 22055, 50927, 254635, 560197, 2800985]

約数ペア:

[(1, 2800985), (5, 560197), (11, 254635), (55, 50927), (127, 22055), (401, 6985), (635, 4411), (1397, 2005)]