7138859

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{1601}}^1$

素因数の和:1635

約数の個数: 16

約数和(自身を含む): 8971200

約数和(自身を除く): 1832341

約数列:

[1, 7, 13, 49, 91, 343, 637, 1601, 4459, 11207, 20813, 78449, 145691, 549143, 1019837, 7138859]

約数ペア:

[(1, 7138859), (7, 1019837), (13, 549143), (49, 145691), (91, 78449), (343, 20813), (637, 11207), (1601, 4459)]