28697013709

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{919393}}^1$

素因数の和:919434

約数の個数: 20

約数和(自身を含む): 36053116316

約数和(自身を除く): 7356102607

約数列:

[1, 7, 13, 49, 91, 343, 637, 2401, 4459, 31213, 919393, 6435751, 11952109, 45050257, 83664763, 315351799, 585653341, 2207462593, 4099573387, 28697013709]

約数ペア:

[(1, 28697013709), (7, 4099573387), (13, 2207462593), (49, 585653341), (91, 315351799), (343, 83664763), (637, 45050257), (2401, 11952109), (4459, 6435751), (31213, 919393)]