389858512

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{122443}}^1$

素因数の和:122650

約数の個数: 20

約数和(自身を含む): 759152800

約数和(自身を除く): 369294288

約数列:

[1, 2, 4, 8, 16, 199, 398, 796, 1592, 3184, 122443, 244886, 489772, 979544, 1959088, 24366157, 48732314, 97464628, 194929256, 389858512]

約数ペア:

[(1, 389858512), (2, 194929256), (4, 97464628), (8, 48732314), (16, 24366157), (199, 1959088), (398, 979544), (796, 489772), (1592, 244886), (3184, 122443)]