87102988

素因数分解:

$2^2\times 7^2\times {\mathrm{444403}}^1$

素因数の和:444421

約数の個数: 18

約数和(自身を含む): 177317196

約数和(自身を除く): 90214208

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 444403, 888806, 1777612, 3110821, 6221642, 12443284, 21775747, 43551494, 87102988]

約数ペア:

[(1, 87102988), (2, 43551494), (4, 21775747), (7, 12443284), (14, 6221642), (28, 3110821), (49, 1777612), (98, 888806), (196, 444403)]