201676489

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{107}}^1\times {\mathrm{509}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 243673920

約数和(自身を除く): 41997431

約数列:

[1, 7, 23, 107, 161, 509, 529, 749, 2461, 3563, 3703, 11707, 17227, 54463, 56603, 81949, 269261, 381241, 396221, 1252649, 1884827, 8768543, 28810927, 201676489]

約数ペア:

[(1, 201676489), (7, 28810927), (23, 8768543), (107, 1884827), (161, 1252649), (509, 396221), (529, 381241), (749, 269261), (2461, 81949), (3563, 56603), (3703, 54463), (11707, 17227)]