4087489

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:520

約数の個数: 16

約数和(自身を含む): 4996480

約数和(自身を除く): 908991

約数列:

[1, 7, 19, 73, 133, 421, 511, 1387, 2947, 7999, 9709, 30733, 55993, 215131, 583927, 4087489]

約数ペア:

[(1, 4087489), (7, 583927), (19, 215131), (73, 55993), (133, 30733), (421, 9709), (511, 7999), (1387, 2947)]