389188225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{915737}}^1$

素因数の和:915764

約数の個数: 12

約数和(自身を含む): 510981804

約数和(自身を除く): 121793579

約数列:

[1, 5, 17, 25, 85, 425, 915737, 4578685, 15567529, 22893425, 77837645, 389188225]

約数ペア:

[(1, 389188225), (5, 77837645), (17, 22893425), (25, 15567529), (85, 4578685), (425, 915737)]