81076156

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67339}}^1$

素因数の和:67393

約数の個数: 24

約数和(自身を含む): 165925760

約数和(自身を除く): 84849604

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 67339, 134678, 269356, 471373, 942746, 1885492, 2895577, 5791154, 11582308, 20269039, 40538078, 81076156]

約数ペア:

[(1, 81076156), (2, 40538078), (4, 20269039), (7, 11582308), (14, 5791154), (28, 2895577), (43, 1885492), (86, 942746), (172, 471373), (301, 269356), (602, 134678), (1204, 67339)]