81605290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{627733}}^1$

素因数の和:627753

約数の個数: 16

約数和(自身を含む): 158188968

約数和(自身を除く): 76583678

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 627733, 1255466, 3138665, 6277330, 8160529, 16321058, 40802645, 81605290]

約数ペア:

[(1, 81605290), (2, 40802645), (5, 16321058), (10, 8160529), (13, 6277330), (26, 3138665), (65, 1255466), (130, 627733)]