210212656

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{691489}}^1$

素因数の和:691516

約数の個数: 20

約数和(自身を含む): 428723800

約数和(自身を除く): 218511144

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 691489, 1382978, 2765956, 5531912, 11063824, 13138291, 26276582, 52553164, 105106328, 210212656]

約数ペア:

[(1, 210212656), (2, 105106328), (4, 52553164), (8, 26276582), (16, 13138291), (19, 11063824), (38, 5531912), (76, 2765956), (152, 1382978), (304, 691489)]