81153712

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{266953}}^1$

素因数の和:266980

約数の個数: 20

約数和(自身を含む): 165511480

約数和(自身を除く): 84357768

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 266953, 533906, 1067812, 2135624, 4271248, 5072107, 10144214, 20288428, 40576856, 81153712]

約数ペア:

[(1, 81153712), (2, 40576856), (4, 20288428), (8, 10144214), (16, 5072107), (19, 4271248), (38, 2135624), (76, 1067812), (152, 533906), (304, 266953)]