25390551

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^2\times {\mathrm{131}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 36279936

約数和(自身を除く): 10889385

約数列:

[1, 3, 23, 53, 69, 131, 159, 393, 1219, 2809, 3013, 3657, 6943, 8427, 9039, 20829, 64607, 159689, 193821, 367979, 479067, 1103937, 8463517, 25390551]

約数ペア:

[(1, 25390551), (3, 8463517), (23, 1103937), (53, 479067), (69, 367979), (131, 193821), (159, 159689), (393, 64607), (1219, 20829), (2809, 9039), (3013, 8427), (3657, 6943)]