139886908

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{81901}}^1$

素因数の和:81973

約数の個数: 24

約数和(自身を含む): 284363744

約数和(自身を除く): 144476836

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 81901, 163802, 327604, 573307, 1146614, 2293228, 4995961, 9991922, 19983844, 34971727, 69943454, 139886908]

約数ペア:

[(1, 139886908), (2, 69943454), (4, 34971727), (7, 19983844), (14, 9991922), (28, 4995961), (61, 2293228), (122, 1146614), (244, 573307), (427, 327604), (854, 163802), (1708, 81901)]