30000257

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 38610432

約数和(自身を除く): 8610175

約数列:

[1, 7, 17, 23, 97, 113, 119, 161, 391, 679, 791, 1649, 1921, 2231, 2599, 2737, 10961, 11543, 13447, 15617, 18193, 37927, 44183, 76727, 186337, 252103, 265489, 309281, 1304359, 1764721, 4285751, 30000257]

約数ペア:

[(1, 30000257), (7, 4285751), (17, 1764721), (23, 1304359), (97, 309281), (113, 265489), (119, 252103), (161, 186337), (391, 76727), (679, 44183), (791, 37927), (1649, 18193), (1921, 15617), (2231, 13447), (2599, 11543), (2737, 10961)]