66971868

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{40151}}^1$

素因数の和:40297

約数の個数: 24

約数和(自身を含む): 157395840

約数和(自身を除く): 90423972

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 40151, 80302, 120453, 160604, 240906, 481812, 5580989, 11161978, 16742967, 22323956, 33485934, 66971868]

約数ペア:

[(1, 66971868), (2, 33485934), (3, 22323956), (4, 16742967), (6, 11161978), (12, 5580989), (139, 481812), (278, 240906), (417, 160604), (556, 120453), (834, 80302), (1668, 40151)]