81234425

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1657}}^1$

素因数の和:1757

約数の個数: 24

約数和(自身を含む): 105468696

約数和(自身を除く): 24234271

約数列:

[1, 5, 25, 37, 53, 185, 265, 925, 1325, 1657, 1961, 8285, 9805, 41425, 49025, 61309, 87821, 306545, 439105, 1532725, 2195525, 3249377, 16246885, 81234425]

約数ペア:

[(1, 81234425), (5, 16246885), (25, 3249377), (37, 2195525), (53, 1532725), (185, 439105), (265, 306545), (925, 87821), (1325, 61309), (1657, 49025), (1961, 41425), (8285, 9805)]