68330288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{328511}}^1$

素因数の和:328532

約数の個数: 20

約数和(自身を含む): 142574208

約数和(自身を除く): 74243920

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 328511, 657022, 1314044, 2628088, 4270643, 5256176, 8541286, 17082572, 34165144, 68330288]

約数ペア:

[(1, 68330288), (2, 34165144), (4, 17082572), (8, 8541286), (13, 5256176), (16, 4270643), (26, 2628088), (52, 1314044), (104, 657022), (208, 328511)]