81183928

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{63031}}^1$

素因数の和:63067

約数の個数: 32

約数和(自身を含む): 181532160

約数和(自身を除く): 100348232

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 63031, 126062, 252124, 441217, 504248, 882434, 1449713, 1764868, 2899426, 3529736, 5798852, 10147991, 11597704, 20295982, 40591964, 81183928]

約数ペア:

[(1, 81183928), (2, 40591964), (4, 20295982), (7, 11597704), (8, 10147991), (14, 5798852), (23, 3529736), (28, 2899426), (46, 1764868), (56, 1449713), (92, 882434), (161, 504248), (184, 441217), (322, 252124), (644, 126062), (1288, 63031)]