221738216

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{172157}}^1$

素因数の和:172193

約数の個数: 32

約数和(自身を含む): 495815040

約数和(自身を除く): 274076824

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 172157, 344314, 688628, 1205099, 1377256, 2410198, 3959611, 4820396, 7919222, 9640792, 15838444, 27717277, 31676888, 55434554, 110869108, 221738216]

約数ペア:

[(1, 221738216), (2, 110869108), (4, 55434554), (7, 31676888), (8, 27717277), (14, 15838444), (23, 9640792), (28, 7919222), (46, 4820396), (56, 3959611), (92, 2410198), (161, 1377256), (184, 1205099), (322, 688628), (644, 344314), (1288, 172157)]