81289712

素因数分解:

$2^4\times 7^1\times {\mathrm{725801}}^1$

素因数の和:725816

約数の個数: 20

約数和(自身を含む): 179998896

約数和(自身を除く): 98709184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 725801, 1451602, 2903204, 5080607, 5806408, 10161214, 11612816, 20322428, 40644856, 81289712]

約数ペア:

[(1, 81289712), (2, 40644856), (4, 20322428), (7, 11612816), (8, 10161214), (14, 5806408), (16, 5080607), (28, 2903204), (56, 1451602), (112, 725801)]