161837290

素因数分解:

$2^1\times 5^1\times {\mathrm{2161}}^1\times {\mathrm{7489}}^1$

素因数の和:9657

約数の個数: 16

約数和(自身を含む): 291480840

約数和(自身を除く): 129643550

約数列:

[1, 2, 5, 10, 2161, 4322, 7489, 10805, 14978, 21610, 37445, 74890, 16183729, 32367458, 80918645, 161837290]

約数ペア:

[(1, 161837290), (2, 80918645), (5, 32367458), (10, 16183729), (2161, 74890), (4322, 37445), (7489, 21610), (10805, 14978)]