11971856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{57557}}^1$

素因数の和:57578

約数の個数: 20

約数和(自身を含む): 24980172

約数和(自身を除く): 13008316

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 57557, 115114, 230228, 460456, 748241, 920912, 1496482, 2992964, 5985928, 11971856]

約数ペア:

[(1, 11971856), (2, 5985928), (4, 2992964), (8, 1496482), (13, 920912), (16, 748241), (26, 460456), (52, 230228), (104, 115114), (208, 57557)]