25540262

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:364

約数の個数: 32

約数和(自身を含む): 43110144

約数和(自身を除く): 17569882

約数列:

[1, 2, 11, 22, 71, 83, 142, 166, 197, 394, 781, 913, 1562, 1826, 2167, 4334, 5893, 11786, 13987, 16351, 27974, 32702, 64823, 129646, 153857, 179861, 307714, 359722, 1160921, 2321842, 12770131, 25540262]

約数ペア:

[(1, 25540262), (2, 12770131), (11, 2321842), (22, 1160921), (71, 359722), (83, 307714), (142, 179861), (166, 153857), (197, 129646), (394, 64823), (781, 32702), (913, 27974), (1562, 16351), (1826, 13987), (2167, 11786), (4334, 5893)]