81565708

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{153319}}^1$

素因数の和:153349

約数の個数: 24

約数和(自身を含む): 171718400

約数和(自身を除く): 90152692

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 153319, 306638, 613276, 1073233, 2146466, 2913061, 4292932, 5826122, 11652244, 20391427, 40782854, 81565708]

約数ペア:

[(1, 81565708), (2, 40782854), (4, 20391427), (7, 11652244), (14, 5826122), (19, 4292932), (28, 2913061), (38, 2146466), (76, 1073233), (133, 613276), (266, 306638), (532, 153319)]