1277778884

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{613}}^1\times {\mathrm{12119}}^1$

素因数の和:12779

約数の個数: 24

約数和(自身を含む): 2292037440

約数和(自身を除く): 1014258556

約数列:

[1, 2, 4, 43, 86, 172, 613, 1226, 2452, 12119, 24238, 26359, 48476, 52718, 105436, 521117, 1042234, 2084468, 7428947, 14857894, 29715788, 319444721, 638889442, 1277778884]

約数ペア:

[(1, 1277778884), (2, 638889442), (4, 319444721), (43, 29715788), (86, 14857894), (172, 7428947), (613, 2084468), (1226, 1042234), (2452, 521117), (12119, 105436), (24238, 52718), (26359, 48476)]