28422779

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1459}}^1$

素因数の和:1511

約数の個数: 24

約数和(自身を含む): 37282560

約数和(自身を除く): 8859781

約数列:

[1, 7, 11, 23, 77, 121, 161, 253, 847, 1459, 1771, 2783, 10213, 16049, 19481, 33557, 112343, 176539, 234899, 369127, 1235773, 2583889, 4060397, 28422779]

約数ペア:

[(1, 28422779), (7, 4060397), (11, 2583889), (23, 1235773), (77, 369127), (121, 234899), (161, 176539), (253, 112343), (847, 33557), (1459, 19481), (1771, 16049), (2783, 10213)]