28716328

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{653}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 56505600

約数和(自身を除く): 27789272

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 239, 478, 653, 956, 1306, 1912, 2612, 5224, 5497, 10994, 15019, 21988, 30038, 43976, 60076, 120152, 156067, 312134, 624268, 1248536, 3589541, 7179082, 14358164, 28716328]

約数ペア:

[(1, 28716328), (2, 14358164), (4, 7179082), (8, 3589541), (23, 1248536), (46, 624268), (92, 312134), (184, 156067), (239, 120152), (478, 60076), (653, 43976), (956, 30038), (1306, 21988), (1912, 15019), (2612, 10994), (5224, 5497)]