71171891

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7537}}^1$

素因数の和:7634

約数の個数: 16

約数和(自身を含む): 86837760

約数和(自身を除く): 15665869

約数列:

[1, 7, 19, 71, 133, 497, 1349, 7537, 9443, 52759, 143203, 535127, 1002421, 3745889, 10167413, 71171891]

約数ペア:

[(1, 71171891), (7, 10167413), (19, 3745889), (71, 1002421), (133, 535127), (497, 143203), (1349, 52759), (7537, 9443)]