640974

素因数分解:

$2^1\times 3^1\times {\mathrm{317}}^1\times {\mathrm{337}}^1$

素因数の和:659

約数の個数: 16

約数和(自身を含む): 1289808

約数和(自身を除く): 648834

約数列:

[1, 2, 3, 6, 317, 337, 634, 674, 951, 1011, 1902, 2022, 106829, 213658, 320487, 640974]

約数ペア:

[(1, 640974), (2, 320487), (3, 213658), (6, 106829), (317, 2022), (337, 1902), (634, 1011), (674, 951)]