90189904

素因数分解:

$2^4\times 7^1\times {\mathrm{805267}}^1$

素因数の和:805282

約数の個数: 20

約数和(自身を含む): 199706464

約数和(自身を除く): 109516560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 805267, 1610534, 3221068, 5636869, 6442136, 11273738, 12884272, 22547476, 45094952, 90189904]

約数ペア:

[(1, 90189904), (2, 45094952), (4, 22547476), (7, 12884272), (8, 11273738), (14, 6442136), (16, 5636869), (28, 3221068), (56, 1610534), (112, 805267)]