78729821

素因数分解:

${\mathrm{37}}^2\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:644

約数の個数: 12

約数和(自身を含む): 81718560

約数和(自身を除く): 2988739

約数列:

[1, 37, 131, 439, 1369, 4847, 16243, 57509, 179339, 600991, 2127833, 78729821]

約数ペア:

[(1, 78729821), (37, 2127833), (131, 600991), (439, 179339), (1369, 57509), (4847, 16243)]