30691859

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 36210240

約数和(自身を除く): 5518381

約数列:

[1, 11, 19, 59, 131, 209, 361, 649, 1121, 1441, 2489, 3971, 7729, 12331, 21299, 27379, 47291, 85019, 146851, 234289, 520201, 1615361, 2790169, 30691859]

約数ペア:

[(1, 30691859), (11, 2790169), (19, 1615361), (59, 520201), (131, 234289), (209, 146851), (361, 85019), (649, 47291), (1121, 27379), (1441, 21299), (2489, 12331), (3971, 7729)]