81271918

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{446549}}^1$

素因数の和:446571

約数の個数: 16

約数和(自身を含む): 150040800

約数和(自身を除く): 68768882

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 446549, 893098, 3125843, 5805137, 6251686, 11610274, 40635959, 81271918]

約数ペア:

[(1, 81271918), (2, 40635959), (7, 11610274), (13, 6251686), (14, 5805137), (26, 3125843), (91, 893098), (182, 446549)]