643370214

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{108421}}^1$

素因数の和:108492

約数の個数: 32

約数和(自身を含む): 1373923584

約数和(自身を除く): 730553370

約数列:

[1, 2, 3, 6, 23, 43, 46, 69, 86, 129, 138, 258, 989, 1978, 2967, 5934, 108421, 216842, 325263, 650526, 2493683, 4662103, 4987366, 7481049, 9324206, 13986309, 14962098, 27972618, 107228369, 214456738, 321685107, 643370214]

約数ペア:

[(1, 643370214), (2, 321685107), (3, 214456738), (6, 107228369), (23, 27972618), (43, 14962098), (46, 13986309), (69, 9324206), (86, 7481049), (129, 4987366), (138, 4662103), (258, 2493683), (989, 650526), (1978, 325263), (2967, 216842), (5934, 108421)]