81471052

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1566751}}^1$

素因数の和:1566768

約数の個数: 12

約数和(自身を含む): 153541696

約数和(自身を除く): 72070644

約数列:

[1, 2, 4, 13, 26, 52, 1566751, 3133502, 6267004, 20367763, 40735526, 81471052]

約数ペア:

[(1, 81471052), (2, 40735526), (4, 20367763), (13, 6267004), (26, 3133502), (52, 1566751)]