28355987

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^2\times {\mathrm{443}}^1$

素因数の和:511

約数の個数: 18

約数和(自身を含む): 32655756

約数和(自身を除く): 4299769

約数列:

[1, 11, 23, 121, 253, 443, 529, 2783, 4873, 5819, 10189, 53603, 64009, 112079, 234347, 1232869, 2577817, 28355987]

約数ペア:

[(1, 28355987), (11, 2577817), (23, 1232869), (121, 234347), (253, 112079), (443, 64009), (529, 53603), (2783, 10189), (4873, 5819)]