25505543

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:207

約数の個数: 32

約数和(自身を含む): 32394240

約数和(自身を除く): 6888697

約数列:

[1, 7, 19, 37, 71, 73, 133, 259, 497, 511, 703, 1349, 1387, 2627, 2701, 4921, 5183, 9443, 9709, 18389, 18907, 36281, 49913, 51319, 98477, 191771, 349391, 359233, 689339, 1342397, 3643649, 25505543]

約数ペア:

[(1, 25505543), (7, 3643649), (19, 1342397), (37, 689339), (71, 359233), (73, 349391), (133, 191771), (259, 98477), (497, 51319), (511, 49913), (703, 36281), (1349, 18907), (1387, 18389), (2627, 9709), (2701, 9443), (4921, 5183)]