201220621

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{25643}}^1$

素因数の和:25728

約数の個数: 16

約数和(自身を含む): 246182400

約数和(自身を除く): 44961779

約数列:

[1, 7, 19, 59, 133, 413, 1121, 7847, 25643, 179501, 487217, 1512937, 3410519, 10590559, 28745803, 201220621]

約数ペア:

[(1, 201220621), (7, 28745803), (19, 10590559), (59, 3410519), (133, 1512937), (413, 487217), (1121, 179501), (7847, 25643)]