77851571

素因数分解:

$7^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:303

約数の個数: 24

約数和(自身を含む): 93802752

約数和(自身を除く): 15951181

約数列:

[1, 7, 31, 71, 163, 217, 497, 961, 1141, 2201, 5053, 6727, 11573, 15407, 35371, 68231, 81011, 156643, 358763, 477617, 1096501, 2511341, 11121653, 77851571]

約数ペア:

[(1, 77851571), (7, 11121653), (31, 2511341), (71, 1096501), (163, 477617), (217, 358763), (497, 156643), (961, 81011), (1141, 68231), (2201, 35371), (5053, 15407), (6727, 11573)]