258781691

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{277961}}^1$

素因数の和:277994

約数の個数: 12

約数和(自身を含む): 316876680

約数和(自身を除く): 58094989

約数列:

[1, 7, 19, 49, 133, 931, 277961, 1945727, 5281259, 13620089, 36968813, 258781691]

約数ペア:

[(1, 258781691), (7, 36968813), (19, 13620089), (49, 5281259), (133, 1945727), (931, 277961)]