1643536

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{739}}^1$

素因数の和:886

約数の個数: 20

約数和(自身を含む): 3211600

約数和(自身を除く): 1568064

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 739, 1112, 1478, 2224, 2956, 5912, 11824, 102721, 205442, 410884, 821768, 1643536]

約数ペア:

[(1, 1643536), (2, 821768), (4, 410884), (8, 205442), (16, 102721), (139, 11824), (278, 5912), (556, 2956), (739, 2224), (1112, 1478)]