81289264

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{16879}}^1$

素因数の和:16937

約数の個数: 40

約数和(自身を含む): 184194560

約数和(自身を除く): 102905296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 4816, 16879, 33758, 67516, 118153, 135032, 236306, 270064, 472612, 725797, 945224, 1451594, 1890448, 2903188, 5080579, 5806376, 10161158, 11612752, 20322316, 40644632, 81289264]

約数ペア:

[(1, 81289264), (2, 40644632), (4, 20322316), (7, 11612752), (8, 10161158), (14, 5806376), (16, 5080579), (28, 2903188), (43, 1890448), (56, 1451594), (86, 945224), (112, 725797), (172, 472612), (301, 270064), (344, 236306), (602, 135032), (688, 118153), (1204, 67516), (2408, 33758), (4816, 16879)]