640441356

素因数分解:

$2^2\times 3^1\times {\mathrm{53370113}}^1$

素因数の和:53370120

約数の個数: 12

約数和(自身を含む): 1494363192

約数和(自身を除く): 853921836

約数列:

[1, 2, 3, 4, 6, 12, 53370113, 106740226, 160110339, 213480452, 320220678, 640441356]

約数ペア:

[(1, 640441356), (2, 320220678), (3, 213480452), (4, 160110339), (6, 106740226), (12, 53370113)]