209949745

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{29759}}^1$

素因数の和:29864

約数の個数: 16

約数和(自身を含む): 269982720

約数和(自身を除く): 60032975

約数列:

[1, 5, 17, 83, 85, 415, 1411, 7055, 29759, 148795, 505903, 2469997, 2529515, 12349985, 41989949, 209949745]

約数ペア:

[(1, 209949745), (5, 41989949), (17, 12349985), (83, 2529515), (85, 2469997), (415, 505903), (1411, 148795), (7055, 29759)]