15990904

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{599}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 15113096

約数列:

[1, 2, 4, 8, 47, 71, 94, 142, 188, 284, 376, 568, 599, 1198, 2396, 3337, 4792, 6674, 13348, 26696, 28153, 42529, 56306, 85058, 112612, 170116, 225224, 340232, 1998863, 3997726, 7995452, 15990904]

約数ペア:

[(1, 15990904), (2, 7995452), (4, 3997726), (8, 1998863), (47, 340232), (71, 225224), (94, 170116), (142, 112612), (188, 85058), (284, 56306), (376, 42529), (568, 28153), (599, 26696), (1198, 13348), (2396, 6674), (3337, 4792)]