81650852

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{287503}}^1$

素因数の和:287578

約数の個数: 12

約数和(自身を含む): 144902016

約数和(自身を除く): 63251164

約数列:

[1, 2, 4, 71, 142, 284, 287503, 575006, 1150012, 20412713, 40825426, 81650852]

約数ペア:

[(1, 81650852), (2, 40825426), (4, 20412713), (71, 1150012), (142, 575006), (284, 287503)]