1271879

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:230

約数の個数: 16

約数和(自身を含む): 1562880

約数和(自身を除く): 291001

約数列:

[1, 7, 19, 73, 131, 133, 511, 917, 1387, 2489, 9563, 9709, 17423, 66941, 181697, 1271879]

約数ペア:

[(1, 1271879), (7, 181697), (19, 66941), (73, 17423), (131, 9709), (133, 9563), (511, 2489), (917, 1387)]