3949988

素因数分解:

$2^2\times 7^3\times {\mathrm{2879}}^1$

素因数の和:2904

約数の個数: 24

約数和(自身を含む): 8064000

約数和(自身を除く): 4114012

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2879, 5758, 11516, 20153, 40306, 80612, 141071, 282142, 564284, 987497, 1974994, 3949988]

約数ペア:

[(1, 3949988), (2, 1974994), (4, 987497), (7, 564284), (14, 282142), (28, 141071), (49, 80612), (98, 40306), (196, 20153), (343, 11516), (686, 5758), (1372, 2879)]