40439581

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1231}}^1$

素因数の和:1289

約数の個数: 24

約数和(自身を含む): 52571904

約数和(自身を除く): 12132323

約数列:

[1, 7, 13, 19, 91, 133, 247, 361, 1231, 1729, 2527, 4693, 8617, 16003, 23389, 32851, 112021, 163723, 304057, 444391, 2128399, 3110737, 5777083, 40439581]

約数ペア:

[(1, 40439581), (7, 5777083), (13, 3110737), (19, 2128399), (91, 444391), (133, 304057), (247, 163723), (361, 112021), (1231, 32851), (1729, 23389), (2527, 16003), (4693, 8617)]