81212908

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{126107}}^1$

素因数の和:126141

約数の個数: 24

約数和(自身を含む): 169489152

約数和(自身を除く): 88276244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 126107, 252214, 504428, 882749, 1765498, 2900461, 3530996, 5800922, 11601844, 20303227, 40606454, 81212908]

約数ペア:

[(1, 81212908), (2, 40606454), (4, 20303227), (7, 11601844), (14, 5800922), (23, 3530996), (28, 2900461), (46, 1765498), (92, 882749), (161, 504428), (322, 252214), (644, 126107)]