12990131

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2311}}^1$

素因数の和:2402

約数の個数: 16

約数和(自身を含む): 16424448

約数和(自身を除く): 3434317

約数列:

[1, 7, 11, 73, 77, 511, 803, 2311, 5621, 16177, 25421, 168703, 177947, 1180921, 1855733, 12990131]

約数ペア:

[(1, 12990131), (7, 1855733), (11, 1180921), (73, 177947), (77, 168703), (511, 25421), (803, 16177), (2311, 5621)]