128306563

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{87701}}^1$

素因数の和:87738

約数の個数: 16

約数和(自身を含む): 168387840

約数和(自身を除く): 40081277

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 87701, 613907, 964711, 1666319, 6752977, 11664233, 18329509, 128306563]

約数ペア:

[(1, 128306563), (7, 18329509), (11, 11664233), (19, 6752977), (77, 1666319), (133, 964711), (209, 613907), (1463, 87701)]