398576612

素因数分解:

$2^2\times 7^1\times {\mathrm{1999}}^1\times {\mathrm{7121}}^1$

素因数の和:9131

約数の個数: 24

約数和(自身を含む): 797664000

約数和(自身を除く): 399087388

約数列:

[1, 2, 4, 7, 14, 28, 1999, 3998, 7121, 7996, 13993, 14242, 27986, 28484, 49847, 55972, 99694, 199388, 14234879, 28469758, 56939516, 99644153, 199288306, 398576612]

約数ペア:

[(1, 398576612), (2, 199288306), (4, 99644153), (7, 56939516), (14, 28469758), (28, 14234879), (1999, 199388), (3998, 99694), (7121, 55972), (7996, 49847), (13993, 28484), (14242, 27986)]