81268688

素因数分解:

$2^4\times {\mathrm{811}}^1\times {\mathrm{6263}}^1$

素因数の和:7082

約数の個数: 20

約数和(自身を含む): 157677408

約数和(自身を除く): 76408720

約数列:

[1, 2, 4, 8, 16, 811, 1622, 3244, 6263, 6488, 12526, 12976, 25052, 50104, 100208, 5079293, 10158586, 20317172, 40634344, 81268688]

約数ペア:

[(1, 81268688), (2, 40634344), (4, 20317172), (8, 10158586), (16, 5079293), (811, 100208), (1622, 50104), (3244, 25052), (6263, 12976), (6488, 12526)]