49399259

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{28571}}^1$

素因数の和:28610

約数の個数: 16

約数和(自身を含む): 64001280

約数和(自身を除く): 14602021

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 28571, 199997, 371423, 542849, 2599961, 3799943, 7057037, 49399259]

約数ペア:

[(1, 49399259), (7, 7057037), (13, 3799943), (19, 2599961), (91, 542849), (133, 371423), (247, 199997), (1729, 28571)]