212858404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{7001}}^1$

素因数の和:7707

約数の個数: 24

約数和(自身を含む): 407012256

約数和(自身を除く): 194153852

約数列:

[1, 2, 4, 11, 22, 44, 691, 1382, 2764, 7001, 7601, 14002, 15202, 28004, 30404, 77011, 154022, 308044, 4837691, 9675382, 19350764, 53214601, 106429202, 212858404]

約数ペア:

[(1, 212858404), (2, 106429202), (4, 53214601), (11, 19350764), (22, 9675382), (44, 4837691), (691, 308044), (1382, 154022), (2764, 77011), (7001, 30404), (7601, 28004), (14002, 15202)]