25156019

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2591}}^1$

素因数の和:2690

約数の個数: 16

約数和(自身を含む): 30689280

約数和(自身を除く): 5533261

約数列:

[1, 7, 19, 73, 133, 511, 1387, 2591, 9709, 18137, 49229, 189143, 344603, 1324001, 3593717, 25156019]

約数ペア:

[(1, 25156019), (7, 3593717), (19, 1324001), (73, 344603), (133, 189143), (511, 49229), (1387, 18137), (2591, 9709)]