28004396

素因数分解:

$2^2\times 7^1\times {\mathrm{617}}^1\times {\mathrm{1621}}^1$

素因数の和:2249

約数の個数: 24

約数和(自身を含む): 56134176

約数和(自身を除く): 28129780

約数列:

[1, 2, 4, 7, 14, 28, 617, 1234, 1621, 2468, 3242, 4319, 6484, 8638, 11347, 17276, 22694, 45388, 1000157, 2000314, 4000628, 7001099, 14002198, 28004396]

約数ペア:

[(1, 28004396), (2, 14002198), (4, 7001099), (7, 4000628), (14, 2000314), (28, 1000157), (617, 45388), (1234, 22694), (1621, 17276), (2468, 11347), (3242, 8638), (4319, 6484)]