254867665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1361}}^1$

素因数の和:1489

約数の個数: 32

約数和(自身を含む): 342308736

約数和(自身を除く): 87441071

約数列:

[1, 5, 13, 43, 65, 67, 215, 335, 559, 871, 1361, 2795, 2881, 4355, 6805, 14405, 17693, 37453, 58523, 88465, 91187, 187265, 292615, 455935, 760799, 1185431, 3803995, 3921041, 5927155, 19605205, 50973533, 254867665]

約数ペア:

[(1, 254867665), (5, 50973533), (13, 19605205), (43, 5927155), (65, 3921041), (67, 3803995), (215, 1185431), (335, 760799), (559, 455935), (871, 292615), (1361, 187265), (2795, 91187), (2881, 88465), (4355, 58523), (6805, 37453), (14405, 17693)]