168421904

素因数分解:

$2^4\times 7^1\times {\mathrm{1503767}}^1$

素因数の和:1503782

約数の個数: 20

約数和(自身を含む): 372934464

約数和(自身を除く): 204512560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1503767, 3007534, 6015068, 10526369, 12030136, 21052738, 24060272, 42105476, 84210952, 168421904]

約数ペア:

[(1, 168421904), (2, 84210952), (4, 42105476), (7, 24060272), (8, 21052738), (14, 12030136), (16, 10526369), (28, 6015068), (56, 3007534), (112, 1503767)]