256533473

素因数分解:

$7^3\times {\mathrm{47}}^1\times {\mathrm{15913}}^1$

素因数の和:15981

約数の個数: 16

約数和(自身を含む): 305548800

約数和(自身を除く): 49015327

約数列:

[1, 7, 47, 49, 329, 343, 2303, 15913, 16121, 111391, 747911, 779737, 5235377, 5458159, 36647639, 256533473]

約数ペア:

[(1, 256533473), (7, 36647639), (47, 5458159), (49, 5235377), (329, 779737), (343, 747911), (2303, 111391), (15913, 16121)]