217300987

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{1787}}^1$

素因数の和:2138

約数の個数: 16

約数和(自身を含む): 240993792

約数和(自身を除く): 23692805

約数列:

[1, 17, 23, 311, 391, 1787, 5287, 7153, 30379, 41101, 121601, 555757, 698717, 9447869, 12782411, 217300987]

約数ペア:

[(1, 217300987), (17, 12782411), (23, 9447869), (311, 698717), (391, 555757), (1787, 121601), (5287, 41101), (7153, 30379)]