131397968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{1439}}^1$

素因数の和:1899

約数の個数: 40

約数和(自身を含む): 274982400

約数和(自身を除く): 143584432

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 439, 878, 1439, 1756, 2878, 3512, 5707, 5756, 7024, 11414, 11512, 18707, 22828, 23024, 37414, 45656, 74828, 91312, 149656, 299312, 631721, 1263442, 2526884, 5053768, 8212373, 10107536, 16424746, 32849492, 65698984, 131397968]

約数ペア:

[(1, 131397968), (2, 65698984), (4, 32849492), (8, 16424746), (13, 10107536), (16, 8212373), (26, 5053768), (52, 2526884), (104, 1263442), (208, 631721), (439, 299312), (878, 149656), (1439, 91312), (1756, 74828), (2878, 45656), (3512, 37414), (5707, 23024), (5756, 22828), (7024, 18707), (11414, 11512)]