280492061

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 325306368

約数和(自身を除く): 44814307

約数列:

[1, 17, 23, 31, 73, 317, 391, 527, 713, 1241, 1679, 2263, 5389, 7291, 9827, 12121, 23141, 28543, 38471, 52049, 123947, 167059, 226021, 393397, 532243, 717371, 884833, 3842357, 9048131, 12195307, 16499533, 280492061]

約数ペア:

[(1, 280492061), (17, 16499533), (23, 12195307), (31, 9048131), (73, 3842357), (317, 884833), (391, 717371), (527, 532243), (713, 393397), (1241, 226021), (1679, 167059), (2263, 123947), (5389, 52049), (7291, 38471), (9827, 28543), (12121, 23141)]