1951555

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 2486880

約数和(自身を除く): 535325

約数列:

[1, 5, 29, 43, 145, 215, 313, 1247, 1565, 6235, 9077, 13459, 45385, 67295, 390311, 1951555]

約数ペア:

[(1, 1951555), (5, 390311), (29, 67295), (43, 45385), (145, 13459), (215, 9077), (313, 6235), (1247, 1565)]