1289435

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:315

約数の個数: 24

約数和(自身を含む): 1901520

約数和(自身を除く): 612085

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 277, 665, 931, 1385, 1939, 4655, 5263, 9695, 13573, 26315, 36841, 67865, 184205, 257887, 1289435]

約数ペア:

[(1, 1289435), (5, 257887), (7, 184205), (19, 67865), (35, 36841), (49, 26315), (95, 13573), (133, 9695), (245, 5263), (277, 4655), (665, 1939), (931, 1385)]