314356

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 640640

約数和(自身を除く): 326284

約数列:

[1, 2, 4, 7, 14, 28, 103, 109, 206, 218, 412, 436, 721, 763, 1442, 1526, 2884, 3052, 11227, 22454, 44908, 78589, 157178, 314356]

約数ペア:

[(1, 314356), (2, 157178), (4, 78589), (7, 44908), (14, 22454), (28, 11227), (103, 3052), (109, 2884), (206, 1526), (218, 1442), (412, 763), (436, 721)]