343806928

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{197137}}^1$

素因数の和:197254

約数の個数: 20

約数和(自身を含む): 672240580

約数和(自身を除く): 328433652

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 197137, 394274, 788548, 1577096, 3154192, 21487933, 42975866, 85951732, 171903464, 343806928]

約数ペア:

[(1, 343806928), (2, 171903464), (4, 85951732), (8, 42975866), (16, 21487933), (109, 3154192), (218, 1577096), (436, 788548), (872, 394274), (1744, 197137)]