25302277

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 36312192

約数和(自身を除く): 11009915

約数列:

[1, 7, 11, 13, 23, 49, 77, 91, 143, 157, 161, 253, 299, 539, 637, 1001, 1099, 1127, 1727, 1771, 2041, 2093, 3289, 3611, 7007, 7693, 12089, 12397, 14287, 14651, 22451, 23023, 25277, 39721, 46943, 84623, 100009, 157157, 161161, 176939, 278047, 328601, 516373, 1100099, 1946329, 2300207, 3614611, 25302277]

約数ペア:

[(1, 25302277), (7, 3614611), (11, 2300207), (13, 1946329), (23, 1100099), (49, 516373), (77, 328601), (91, 278047), (143, 176939), (157, 161161), (161, 157157), (253, 100009), (299, 84623), (539, 46943), (637, 39721), (1001, 25277), (1099, 23023), (1127, 22451), (1727, 14651), (1771, 14287), (2041, 12397), (2093, 12089), (3289, 7693), (3611, 7007)]