289647568

素因数分解:

$2^4\times 7^1\times {\mathrm{2586139}}^1$

素因数の和:2586154

約数の個数: 20

約数和(自身を含む): 641362720

約数和(自身を除く): 351715152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2586139, 5172278, 10344556, 18102973, 20689112, 36205946, 41378224, 72411892, 144823784, 289647568]

約数ペア:

[(1, 289647568), (2, 144823784), (4, 72411892), (7, 41378224), (8, 36205946), (14, 20689112), (16, 18102973), (28, 10344556), (56, 5172278), (112, 2586139)]