317143490

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{8287}}^1$

素因数の和:8426

約数の個数: 32

約数和(自身を含む): 590768640

約数和(自身を除く): 273625150

約数列:

[1, 2, 5, 10, 43, 86, 89, 178, 215, 430, 445, 890, 3827, 7654, 8287, 16574, 19135, 38270, 41435, 82870, 356341, 712682, 737543, 1475086, 1781705, 3563410, 3687715, 7375430, 31714349, 63428698, 158571745, 317143490]

約数ペア:

[(1, 317143490), (2, 158571745), (5, 63428698), (10, 31714349), (43, 7375430), (86, 3687715), (89, 3563410), (178, 1781705), (215, 1475086), (430, 737543), (445, 712682), (890, 356341), (3827, 82870), (7654, 41435), (8287, 38270), (16574, 19135)]