128412319

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 159160320

約数和(自身を除く): 30748001

約数列:

[1, 7, 29, 43, 47, 203, 301, 313, 329, 1247, 1363, 2021, 2191, 8729, 9077, 9541, 13459, 14147, 14711, 58609, 63539, 94213, 102977, 390311, 410263, 426619, 632573, 2732177, 2986333, 4428011, 18344617, 128412319]

約数ペア:

[(1, 128412319), (7, 18344617), (29, 4428011), (43, 2986333), (47, 2732177), (203, 632573), (301, 426619), (313, 410263), (329, 390311), (1247, 102977), (1363, 94213), (2021, 63539), (2191, 58609), (8729, 14711), (9077, 14147), (9541, 13459)]