128247161

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{233}}^1\times {\mathrm{239}}^1$

素因数の和:533

約数の個数: 24

約数和(自身を含む): 153653760

約数和(自身を除く): 25406599

約数列:

[1, 7, 47, 49, 233, 239, 329, 1631, 1673, 2303, 10951, 11233, 11417, 11711, 55687, 76657, 78631, 389809, 536599, 550417, 2617289, 2728663, 18321023, 128247161]

約数ペア:

[(1, 128247161), (7, 18321023), (47, 2728663), (49, 2617289), (233, 550417), (239, 536599), (329, 389809), (1631, 78631), (1673, 76657), (2303, 55687), (10951, 11711), (11233, 11417)]