78821578

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{325709}}^1$

素因数の和:325733

約数の個数: 12

約数和(自身を含む): 129958290

約数和(自身を除く): 51136712

約数列:

[1, 2, 11, 22, 121, 242, 325709, 651418, 3582799, 7165598, 39410789, 78821578]

約数ペア:

[(1, 78821578), (2, 39410789), (11, 7165598), (22, 3582799), (121, 651418), (242, 325709)]