311844

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1999}}^1$

素因数の和:2019

約数の個数: 24

約数和(自身を含む): 784000

約数和(自身を除く): 472156

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1999, 3998, 5997, 7996, 11994, 23988, 25987, 51974, 77961, 103948, 155922, 311844]

約数ペア:

[(1, 311844), (2, 155922), (3, 103948), (4, 77961), (6, 51974), (12, 25987), (13, 23988), (26, 11994), (39, 7996), (52, 5997), (78, 3998), (156, 1999)]