389792284

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{127717}}^1$

素因数の和:127837

約数の個数: 24

約数和(自身を含む): 786742880

約数和(自身を除く): 396950596

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 3052, 127717, 255434, 510868, 894019, 1788038, 3576076, 13921153, 27842306, 55684612, 97448071, 194896142, 389792284]

約数ペア:

[(1, 389792284), (2, 194896142), (4, 97448071), (7, 55684612), (14, 27842306), (28, 13921153), (109, 3576076), (218, 1788038), (436, 894019), (763, 510868), (1526, 255434), (3052, 127717)]