389457292

素因数分解:

$2^2\times 7^3\times {\mathrm{283861}}^1$

素因数の和:283886

約数の個数: 24

約数和(自身を含む): 794813600

約数和(自身を除く): 405356308

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 283861, 567722, 1135444, 1987027, 3974054, 7948108, 13909189, 27818378, 55636756, 97364323, 194728646, 389457292]

約数ペア:

[(1, 389457292), (2, 194728646), (4, 97364323), (7, 55636756), (14, 27818378), (28, 13909189), (49, 7948108), (98, 3974054), (196, 1987027), (343, 1135444), (686, 567722), (1372, 283861)]