16780687

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:379

約数の個数: 24

約数和(自身を含む): 21537792

約数和(自身を除く): 4757105

約数列:

[1, 7, 11, 49, 77, 163, 191, 539, 1141, 1337, 1793, 2101, 7987, 9359, 12551, 14707, 31133, 87857, 102949, 217931, 342463, 1525517, 2397241, 16780687]

約数ペア:

[(1, 16780687), (7, 2397241), (11, 1525517), (49, 342463), (77, 217931), (163, 102949), (191, 87857), (539, 31133), (1141, 14707), (1337, 12551), (1793, 9359), (2101, 7987)]