218499170

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{80627}}^1$

素因数の和:80905

約数の個数: 16

約数和(自身を含む): 394754688

約数和(自身を除く): 176255518

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 80627, 161254, 403135, 806270, 21849917, 43699834, 109249585, 218499170]

約数ペア:

[(1, 218499170), (2, 109249585), (5, 43699834), (10, 21849917), (271, 806270), (542, 403135), (1355, 161254), (2710, 80627)]