128547517

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{571}}^1\times {\mathrm{1109}}^1$

素因数の和:1716

約数の個数: 16

約数和(自身を含む): 152380800

約数和(自身を除く): 23833283

約数列:

[1, 7, 29, 203, 571, 1109, 3997, 7763, 16559, 32161, 115913, 225127, 633239, 4432673, 18363931, 128547517]

約数ペア:

[(1, 128547517), (7, 18363931), (29, 4432673), (203, 633239), (571, 225127), (1109, 115913), (3997, 32161), (7763, 16559)]