81575284

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{153337}}^1$

素因数の和:153367

約数の個数: 24

約数和(自身を含む): 171738560

約数和(自身を除く): 90163276

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 153337, 306674, 613348, 1073359, 2146718, 2913403, 4293436, 5826806, 11653612, 20393821, 40787642, 81575284]

約数ペア:

[(1, 81575284), (2, 40787642), (4, 20393821), (7, 11653612), (14, 5826806), (19, 4293436), (28, 2913403), (38, 2146718), (76, 1073359), (133, 613348), (266, 306674), (532, 153337)]