71851787

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1087}}^1$

素因数の和:1191

約数の個数: 24

約数和(自身を含む): 89303040

約数和(自身を除く): 17451253

約数列:

[1, 7, 19, 49, 71, 133, 497, 931, 1087, 1349, 3479, 7609, 9443, 20653, 53263, 66101, 77177, 144571, 540239, 1011997, 1466363, 3781673, 10264541, 71851787]

約数ペア:

[(1, 71851787), (7, 10264541), (19, 3781673), (49, 1466363), (71, 1011997), (133, 540239), (497, 144571), (931, 77177), (1087, 66101), (1349, 53263), (3479, 20653), (7609, 9443)]