208889675

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 263733120

約数和(自身を除く): 54843445

約数列:

[1, 5, 25, 89, 223, 421, 445, 1115, 2105, 2225, 5575, 10525, 19847, 37469, 93883, 99235, 187345, 469415, 496175, 936725, 2347075, 8355587, 41777935, 208889675]

約数ペア:

[(1, 208889675), (5, 41777935), (25, 8355587), (89, 2347075), (223, 936725), (421, 496175), (445, 469415), (1115, 187345), (2105, 99235), (2225, 93883), (5575, 37469), (10525, 19847)]