138865748

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{115337}}^1$

素因数の和:115391

約数の個数: 24

約数和(自身を含む): 284192832

約数和(自身を除く): 145327084

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 115337, 230674, 461348, 807359, 1614718, 3229436, 4959491, 9918982, 19837964, 34716437, 69432874, 138865748]

約数ペア:

[(1, 138865748), (2, 69432874), (4, 34716437), (7, 19837964), (14, 9918982), (28, 4959491), (43, 3229436), (86, 1614718), (172, 807359), (301, 461348), (602, 230674), (1204, 115337)]