25978068

素因数分解:

$2^2\times 3^2\times {\mathrm{721613}}^1$

素因数の和:721623

約数の個数: 18

約数和(自身を含む): 65666874

約数和(自身を除く): 39688806

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 721613, 1443226, 2164839, 2886452, 4329678, 6494517, 8659356, 12989034, 25978068]

約数ペア:

[(1, 25978068), (2, 12989034), (3, 8659356), (4, 6494517), (6, 4329678), (9, 2886452), (12, 2164839), (18, 1443226), (36, 721613)]