287686970

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{263933}}^1$

素因数の和:264049

約数の個数: 16

約数和(自身を含む): 522589320

約数和(自身を除く): 234902350

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 263933, 527866, 1319665, 2639330, 28768697, 57537394, 143843485, 287686970]

約数ペア:

[(1, 287686970), (2, 143843485), (5, 57537394), (10, 28768697), (109, 2639330), (218, 1319665), (545, 527866), (1090, 263933)]