28504372

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 55883520

約数和(自身を除く): 27379148

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 107, 109, 188, 214, 218, 428, 436, 611, 1222, 1391, 1417, 2444, 2782, 2834, 5029, 5123, 5564, 5668, 10058, 10246, 11663, 20116, 20492, 23326, 46652, 65377, 66599, 130754, 133198, 151619, 261508, 266396, 303238, 548161, 606476, 1096322, 2192644, 7126093, 14252186, 28504372]

約数ペア:

[(1, 28504372), (2, 14252186), (4, 7126093), (13, 2192644), (26, 1096322), (47, 606476), (52, 548161), (94, 303238), (107, 266396), (109, 261508), (188, 151619), (214, 133198), (218, 130754), (428, 66599), (436, 65377), (611, 46652), (1222, 23326), (1391, 20492), (1417, 20116), (2444, 11663), (2782, 10246), (2834, 10058), (5029, 5668), (5123, 5564)]