643215054

素因数分解:

$2^1\times 3^1\times {\mathrm{5431}}^1\times {\mathrm{19739}}^1$

素因数の和:25175

約数の個数: 16

約数和(自身を含む): 1286732160

約数和(自身を除く): 643517106

約数列:

[1, 2, 3, 6, 5431, 10862, 16293, 19739, 32586, 39478, 59217, 118434, 107202509, 214405018, 321607527, 643215054]

約数ペア:

[(1, 643215054), (2, 321607527), (3, 214405018), (6, 107202509), (5431, 118434), (10862, 59217), (16293, 39478), (19739, 32586)]