28143835

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 37158912

約数和(自身を除く): 9015077

約数列:

[1, 5, 23, 41, 47, 115, 127, 205, 235, 635, 943, 1081, 1927, 2921, 4715, 5207, 5405, 5969, 9635, 14605, 26035, 29845, 44321, 119761, 137287, 221605, 244729, 598805, 686435, 1223645, 5628767, 28143835]

約数ペア:

[(1, 28143835), (5, 5628767), (23, 1223645), (41, 686435), (47, 598805), (115, 244729), (127, 221605), (205, 137287), (235, 119761), (635, 44321), (943, 29845), (1081, 26035), (1927, 14605), (2921, 9635), (4715, 5969), (5207, 5405)]