331267568

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{189947}}^1$

素因数の和:190064

約数の個数: 20

約数和(自身を含む): 647722680

約数和(自身を除く): 316455112

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 189947, 379894, 759788, 1519576, 3039152, 20704223, 41408446, 82816892, 165633784, 331267568]

約数ペア:

[(1, 331267568), (2, 165633784), (4, 82816892), (8, 41408446), (16, 20704223), (109, 3039152), (218, 1519576), (436, 759788), (872, 379894), (1744, 189947)]