289772656

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{91009}}^1$

素因数の和:91216

約数の個数: 20

約数和(自身を含む): 564262000

約数和(自身を除く): 274489344

約数列:

[1, 2, 4, 8, 16, 199, 398, 796, 1592, 3184, 91009, 182018, 364036, 728072, 1456144, 18110791, 36221582, 72443164, 144886328, 289772656]

約数ペア:

[(1, 289772656), (2, 144886328), (4, 72443164), (8, 36221582), (16, 18110791), (199, 1456144), (398, 728072), (796, 364036), (1592, 182018), (3184, 91009)]