13211978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{6961}}^1$

素因数の和:7049

約数の個数: 16

約数和(自身を含む): 21637896

約数和(自身を除く): 8425918

約数列:

[1, 2, 13, 26, 73, 146, 949, 1898, 6961, 13922, 90493, 180986, 508153, 1016306, 6605989, 13211978]

約数ペア:

[(1, 13211978), (2, 6605989), (13, 1016306), (26, 508153), (73, 180986), (146, 90493), (949, 13922), (1898, 6961)]