531536

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:386

約数の個数: 20

約数和(自身を含む): 1041600

約数和(自身を除く): 510064

約数列:

[1, 2, 4, 8, 16, 139, 239, 278, 478, 556, 956, 1112, 1912, 2224, 3824, 33221, 66442, 132884, 265768, 531536]

約数ペア:

[(1, 531536), (2, 265768), (4, 132884), (8, 66442), (16, 33221), (139, 3824), (239, 2224), (278, 1912), (478, 1112), (556, 956)]