649489778

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{19583}}^1$

素因数の和:19718

約数の個数: 32

約数和(自身を含む): 1173159936

約数和(自身を除く): 523670158

約数列:

[1, 2, 7, 14, 23, 46, 103, 161, 206, 322, 721, 1442, 2369, 4738, 16583, 19583, 33166, 39166, 137081, 274162, 450409, 900818, 2017049, 3152863, 4034098, 6305726, 14119343, 28238686, 46392127, 92784254, 324744889, 649489778]

約数ペア:

[(1, 649489778), (2, 324744889), (7, 92784254), (14, 46392127), (23, 28238686), (46, 14119343), (103, 6305726), (161, 4034098), (206, 3152863), (322, 2017049), (721, 900818), (1442, 450409), (2369, 274162), (4738, 137081), (16583, 39166), (19583, 33166)]